Evolutionary Biologist Explains Animal Behavior - Weirdest Reproductive Strategies
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- เผยแพร่เมื่อ 30 ก.ย. 2024
- Can eating your babies really make you a good mom? Reproduction may be one of the few things that all animals have in common, but that doesn't mean that they all go about it in the same way. When it comes to making babies, some animals are just plain weird! Join Zoologist Dr. Clint Laidlaw as he explores some of the weirdest mating strategies in all of the animal world.
#clintsreptiles #animals #biology
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Hey Clint Laidlaw, Why don't you get to think of a suggestion and creating a TH-cam Videos all about the 🦥 Phylogeny Group Of Xenarthrans (Edentata)🦥, such as Armadillos, Glyptodonts, Pampatheres, Anteaters, Tamanduas, Tree Sloths, Ground Sloths, And Aquatic Sloths on the next Clint's Reptiles on the next Saturday coming up next?!⭐️⭐️⭐️⭐️⭐️👍👍👍👍
Hey Clint Laidlaw, Why don't you get to think of a suggestion and creating a TH-cam Videos all about the 🥚Phylogeny Group Of Monotremes (Egg-Laying Mammals)🥚, such as Platypuses and Echidnas on the next Clint's Reptiles on the next Saturday coming up next?!⭐️⭐️⭐️⭐️⭐️👍👍👍👍👍
Whats the largest animal you've ever seen
Good video today :]
Cow best pet mammal
"This is a burying beetle. They have a special place in my heart." I genuinely expected the next line to be "because they buried their way in there."
When the rat-mummifying baby-eating beetles are the LEAST weird thing in the video, you know you're in for a treat.
And bro didn't even talk about traumatic insemination
Nature is sooooo full of weird stuff like this
"Honey, how many kids do you want?"
"One mouse of kids"
I speak for everyone when I say "We're all into that kinda thing" Clint
You're my kind of people!
Def into it.
100%. I'm that girl at work that looks at our fish and gets excited to show off breeding behavior to my coworkers lol
**Asexuals have left the chat**
@@InventorZahran They are not into mating, but some of them might want to have children, so they might be interested in how different reproduction techniques work too.
a whole species of lizards playing rock, paper, scissors as a mating strategy. didn't expect that today.
Well, I would say humans have all kinds of males too.
This feels like life advice; my new strategy when dating is to only go after blues lol.
What is even crazier is that the females kept the power triangle going and balance it all out.
dont worry some beetles do it like that too
This is the best thing I've learned all year!
The edited in neon sign graphics killed me. Clint has some colorful ways of putting things, lol.
When one day I find my soulmate, I now have much more descriptive terms than boyfriend by which to call them! 🤣
True, I really like those kinds of middle visuals rather than a dumb photostock guy shrugging to no one and other dumb sht they present to to reiterate what they've just said
My daughter got married today. Does this mean she's acquired a testicle toting tagalong?
SSS and HCC 😂
I wish I could write them out, but yt autodeletes too many comments
To be honest, I have heard more romantic terms of endearment.
But sadly, always addressed to other poeple.
The Sea Devil really came out like "These aren't tentacles; they're GENTICLES!!"
You mean genitacles
All Hail Yivo!
The 6-month old uncle Darryl bit was awesome. His comedy gift is definitely on the up and up
Hope it was during the summer so he could enjoy his jet skis!
I saw a female European sparrowhawk attacking another bird once. She had it pinned to the ground and was grabbing at it with her claws, which is how they tend to finish of larger prey. She noticed me, panicked, abandoned her prey and flew off. The prey was still alive. It stood up, looking dazed, and then flew off as well. It was a male sparrowhawk. I did a bit of research into whether this kind of behaviour is normal, and apparently it is. Females are much larger and more powerful than males, and if a male approaches a female who's not interested in mating with him, she may just turn around and eat him. It's not just spiders that do that kind of thing. I saved that sparrowhawk dude from the worst dating experience of his life.
Best wingman ever.
Hehe "wing" man
Wow, I've never heard of that behavior in birds! I guess it wouldn't be much of a leap for birds who already eat other birds
Syrian hamsters do that too. Females are much larger, and will try to kill males when she's not in the mood.
Males will often trade off their kills to females to appease them temporarily and avoid becoming a meal
I did not know that!
“You don’t need to be very big to make a whole mess of sperm” thanks Clint 🙏🏻😔
12:47
It’s not the worst pickup line I’ve heard
“...the same nasty recessive alleles.” me born with Juvenile Rheumatoid Arthritis goes burrrrr.
I am sad to hear that. I’m 73 and have had severe fibromyalgia since I was 12 after I basically drowned. Back then most doctors told my parents I was seeking attention (I was female, therefore). Haven’t found the gene but it runs in my family on both sides. One doctor asked me if my parents were twins I have so many disorders. Sucks losing in the genetic poker game. My heart goes out to you! One of my cousins had what you do…hope you’re getting good help!
Isn't that thing that Michaela Peterson had and lost few joints because of it until she find out that carnivore diet keep her healthy?
@@zperdek I do eat meat..I’d rather be a vegetarian, as I believe it’s better for the planet, but have so many food allergies I wouldn’t get enough protein.I’ve rotated foods, including meats, for longs it’s automatic.
@@zperdekshe also had Lyme disease. And, getting that treated was a big help. She doesn't talk about that so much, guess it isn't as good of a seller.
Clint is Mr Rogers as directed by Guillermo del Toro.
“heterosexual chimera of convenience” is burned into my brain now. thank you
It might even be better than "Toxicognath"
Pure poetry 🤌
Coalescent hermaphroditism
New band name?
Could have MS or Huntington or spina bifida or any number of awful afflictions. Arthritis? Woe is you.
Hubs just showed up in the lair with a steaming cup of coffee and doughnuts... he gets to live.
As a disabled person who uses a wheelchair, the most common invasive personal question I get from random strangers is, "how do you have sex?" I've found that the best way to handle this is to have a list of prepared responses that will make them at least as uncomfortable as they've made me, without revealing my own private information.
This video provides soooo many great ideas to add to that list. Thanks for that, Clint!
don't you just hate people sometimes? the rudeness can be off the charts. Sorry you need to pre-script comebacks, but i'm sure you're wicked smart at it! 💜
what really gets me about this question is just how dumb it is lol like… obviously the answer is that a person in a wheelchair has sex the same way as everybody else, occasionally featuring paralysis if they happen to be in said wheelchair due to that. like what are they asking here exactly, the specific positions you have sex in or something? people really just don’t use their brains at all i guess smh 🤦🏻♀️
"Well you see, I've got what's left of a guy melted into my thigh so I don't need any help."
Ugh, I had that when I was with a guy much bigger than me, very tall and obese. I started explaining the whole thing as if they were a child asking about it for the first time.
Them: How do you have sex?
You: loud and sloppy
I find that answer tends to stop all the pesky questions
I grew up going to Chester Zoo, and i was about ten when the female komodo dragon gave birth through parthenogenesis, which at the time was the first known case of parthenogenesis in komodo dragons.
Wow
Nothing brings me more joy as someone who works with raptors in a public setting than telling people that the enourmous eagle they assumed was male is in fact female, and that males are about a third smaller (hence why in falconry a male raptor is called a tiercel). Raptor gender is a whole different beast, the females are the top and they will never let you forget it!
Uncle Darryl is awesome, but you really shouldn't open the "pictures" folder on his hard drive. Just saying ..😂
Some things should just be left unopened...
Uncle Darryl is old school. He still prefers magazines.
Calling it “Clint's Sex Stories” would attract the completely wrong crowd who would be sorely disappointed...
Unless they're into that kinda thing...
The triple-male lizard is a good example of why "survival of the fittest" is not always a good description of how evolution works. Very often animals use alternate strategies that aren't better or worse than the other but rather complement and make use of each other. Classic game theory.
I think these days it's usually described as "Survival of the adequate".
I mean that still is survival of the fittest. They pass on their genes by beating the meta strategy which is technicaly a part of fitness.
the haploid eusociality makes a great example of this too. the fact that such a behavior could emerge from the statistics of passing on your genes is so amazing
That phrase came from a journalist trying to ridicule Darwin, iirc. In any case "fitness" has multiple meanings, back then it would have meant something like "well adapted" or "apt".
May I suggest a follow-up video discussing the reproductive strategies of unicellular organisms, many of which are remarkably different from what the average person was taught in school. For example, Tetrahymena thermophila, with its 7 different genders and 21 different possible mate pairings.
Great suggestion!
Well, 7 sexes.
It is kind of hard to tell how many genders (i.e. constructed personality archetypes) they have.
If souls are true, it would likely be 1 gender, due to them likely being single soul (1 soul/species). And a common personality implies a common gender.
@@UniDocs_Mahapushpa_Cyavanagender has nothing to do with "souls". Gender is correlated with sex. The characteristics most common within a particular sex are considered characteristic of that sex. So males are typically male-like and females are typically female-like. Variability leads to female-like males and male-like females, but this doesn't negative the averages. Gender is a matter of statistics
So when discussing the 7 sexes of tetrahymena thermophila I'd ask what characteristics are on average found that differentiate each sex. If there isn't any then they're genderless.
Also gender isn't constructed. For crying out loud, male worms have different mating behaviors to female worms so even they have different genders. And they're worms
@@AllanTidgwell If they are all the same being, they would inevitably have the same behavioural characteristics.
Because they are the only one there to do anything.
No other tetrahymena exists to be be different to them. The species has a true population of 1.
@@AllanTidgwellunder current terminology gender is unrelated to sex outside of how it exists as a social construct.
That was an intense episode. Each strategy more horrific yet fascinating as the last.
The three male type lizards are one of my favorite examples of weird mating strategies. Its so unlikely for such a thing to develop and then also just be conveniently color coded?! So cool. Can you do another one and talk about how some species incorporated homosexual pairings into the strategy? There's a couple bird species that do this
Yea I have some doubts he would
Do you know any precise group of birds that does that? I would like to learn about them
@@marcobernardon1632 Penguins, for example.
Definitely a topic I'd like to hear more about as well.
@@marcobernardon1632not exactly but birds are known for interesting and covert manipulation... Cow birds and cuckoos come to mind and yes I'm pretty sure cuck came from the name cuckoo and the birds behavior.
I am in school for zoology and just recently learned about side-blotched lizards in my animal behavior class. They are also called rock-paper-scissor lizards
I wonder if that's where Magic got its scissors lizard. Along with the rock lobster and paper tiger, of course.
Holy crap this entire section on parthenogenesis is BLOWING MY FREAKING MIND!! I had no idea something like that was possible. I had never even heard of ZW chomoromes! This is the kind of incredible information I am here for! Wow!!!!
Same. I immediately thought, that's what they should've gone for in Jurassic Park, instead of the sex-swapping frog DNA. The cloned dinosaurs make clones of themselves? That would've taken "life finds a way" to a whole new level. 🤯
I had a blue side blotch lizard back in 2016, and his name was Mr. Squishy. That's when I started to like reptiles. His early videos are still on my channel 😊
RIP Mr. Squishy ❤
I didn’t know bug reproduction could surprise me after flatworms and praying mantis and matriphagous spiders. That beetle parenting was horrific but also weirdly kinda sweet? The way they stick around and work together to raise them I mean.
Definitely horrific. But I suppose an alien being coming to earth might did lactation and nursing to be disgusting.
Fun fact: Different morphs of males also exist in ruffs (Calidris pugnax). I wouldn't be surprised if they're also playing some form of rock, paper scissors.
My favourite weird mating strategy must be how prawns are born as males and grow up into females.
What is even crazier is that the females kept the power triangle going and balance it all out.
protoandrous and protogynous hermaphrodites have to be one of the strangest strategies out there, like why not just be full out hermaphrodites at that point right?
@@YEs69th420 Well being a full hermaphrodite means you need to spend resources on building and maintaining both organs and the production of both sperm and eggs. And you don't actually get much of a genetic advantage during mating with another hermaphrodite, because while you can exchange both sperm and eggs with each other, you're still fusing the same two genomes either way just like normal sexual reproduction, so it's not really any additional genetic diversity.
The real advantage of a species being hermaphroditic is that 100% of the species you come across is a potential mating partner, instead of 50% (well not actually 100% because of some not being sexually mature or whatever, but you get the point). But if finding a mating partner is an issue for two sex animal species, generally the species can just lower the pickiness of its sexual selection. For most animal species it's not that much of an issue to find SOME of of the opposite sex, and if the rate of successful mating is low, the real issue is individuals are too picky with sexual selection.
Yes, ruffs actually have female-mimicking males too.
My understanding is it's not so much "rock paper scissors" with ruffs, it's "ladies love a smorgasbord":
The territorial males keeps a territory and draws as many females as possible to it. Ironically they are the last choice of the females.
Orbiter males hang around a territorial male's territory and sneak-mate the females. Except he's not that good of a sneaker, the territorial male knows he's there and tolerates his presence, because having an orbiter around attracts more females, which benefits the territorial male because the females are pretty promiscuous and will mate with both.
The third type of males, faeders, are rare as far as anyone knows. Much like the orbiter the faeder keeps no territory and "sneak" mates with the females (with whom he is the most popular of the three morphs)... But the difference is the faeder ALSO mates with the males. The faeder looks almost exactly like the females so for a long time folks thought his strategy was just to disguise himself as a female to sneak into the harem, except we now know that they also frequently top the males, which doesn't suggest they're just pretending to be girls. The territorial and orbiter are cool with this, because turns out mating with a faeder draws a LOT more females to either of them than they might otherwise meet.
I knew the answer would be snuggler. Clint is very fond of wearing blue and has such a fuzzy personality.
one you didn't cover, but covered a similar strategy with the lizards is Cuttlefish which have a type of male that actually looks and behaves almost exactly like a female, even displaying sexual receptiveness toward larger territorial males and and apparently mating with them. They join that males harem, unbeknownst to him while guarding that male along with the other females from other territorial males, while he mates with the other females as well.
I imagine Clint before he found youtube sitting in a bus stop giving unwilling strangers educational talks on animal reproduction. No wonder he is so glad we are into that sort of thing 😂
I love the thumbnail, such a "me and the boys" energy
Rip
@@StonedtotheBones13 NOOOOOOOOOOO D:
I’m definitely down to seeing a video on angler fish! One of the coolest animals out there!
Agreed! The deep ocean ones are so cool, but have you seen the smaller anglers? Google frogfish if not. They're delightful little guys.
Burying beetles literally feeding their young like birds do brings me unexpected amounts of joy. I can't wait to tell my mum about this over dinner. She doesn't like insects but I regularly share fun insect facts with her in an effort to shift her perspective a little. :D
Yes, more weird mating strategies. Definitely into that kinda thing. And speaking of weird, a video on Hyraxes would be awesome
I managed to predict the three male lizard situation!
It really reminded me of cuttlefish, who also have tricksy males who like crossdressing.
I love the one-sided cross-dressing cuttlefish. Left: I'm a demure little lady. Right: Hey, ladies, check out this sneaky peacock!
Birds do that as well
@@Eloraurora Excellent turn of phrase
Rock = fighter 👊🏻
Paper = snuggler ✋🏻 (bed sheet)
Scissors = sneaker ✌🏻 (kinda like sneaking legs)
No longer do we have the contrived idea of paper beating rock.
PART TWO PLEASE!
with moar hermaphrodites!
I'm not even a minute in, and you've given me the answer to a mystery I've been harbouring for a few years, now. I like nature, and I like taking photos of small things we usually wouldn't be able to casually appreciate, like insects, fungi, or the intimate bits of flowers. I also take a lot of crappy photos of animals to ID at a later point.
I've come across these black, medium-sized beetles ("medium" for my area; Pacific Northwest) with four red spots, two on either elytra which are about half the length of their abdomen. I also noted I often found them around dead things, but photos rarely came out well and I didn't want to harass them when they seemed intent to not be exposed. I looked up "black beetle red spots", "beetle four red spots", "carrion beetle red spots", "carrion beetle short elytra", etc.... but to no avail.
I've come across these beetles many more times, and they've remained a nameless enigma. Now that you mention it, I do believe I've most reliably seen them with dead mice.
Thank you for introducing me to my neigbour, the Burying Beetle, and I look forward to learning more about them! :3
And, of course, everything else you'll be teaching me about today.
Identifying beetle species is difficult because there are just so many of them.
I always found it fascinating one of our closest relatives, Orangutans, also have multiple male types like sideblotched lizards, with at least comparably dramatic physical differences. Dominant males defend territories and females, are much larger, and develop broader faces and long, dreaded fur. Non-dominant males are smaller and reproduce through stealth. But non-dominant males can become dominant males if they get a territory.
I didn't know about the lizards either. This is David Attenborough level video.
I saw those lizards in a brief series of images by Humon, an online artist who's most well-known for the project "Scandinavia and the World". She made that brief series of weird animal mating strategies with humanoid forms instead, as in "imagine if people-"
Oddly enough, Sir David's recent output has included those very same lizards (Planet Earth 3, I think).
23:31 This is what makes Clint such a joy to watch! He can take disgusting animal facts and make them fun!
I'm definitely the weirdo that's into that kinda thing. My search history is already messed up
But are snakes created by pathogenesis able to reproduce sexually? Specifically I'm curious about boa imperator
Yes
@@ClintsReptiles very odd. I saw a female on MM born through parthogenesis and the breeder/owner of the snake said she "has no value breeding wise" . It was priced extremely low for the morph but sold already. I wonder what he meant.
@@babyyoda2219 maybe it was due to her genetics rather than anything to do with capability, i imagine breeders are quite intentional with which snakes they choose to let breed so her being born via parthenogenesis probably makes her not super great for breeding cos of how it does the genes
I totally get the draw of making your whole channel weird animal sex facts. Became my favorite go to on my TH-cam channel. Flatworms with their penile fencing culminating in traumatic insemination had to be one of my favorites though.
Also, have you heard Hank Green’s song about the deep sea angler fish? Highly recommend if you haven’t. lol.
What is even crazier is that the females kept the power triangle going and balance it all out.
aw sweet! evolution-made horrors beyond comprehension!!
Saturday's are stinking rad! Videos from "Ants Canada" channel and Clint's Reptiles 🐜🦎🖤💚
The angler fish was definitely the weirdest. Animal reproduction is interesting, and knowing some of the whys behind it, like with the ants, makes it more interesting.
Oh my gosh! The burying beetle is something I chose to write about in college. Not a Master's thesis. Just an essay. You are awesome, Clint!
On the topic of parthenogenesis, you should talk about gynogenesis sometime! That's the most interesting form of parthenogenesis to me. Example: the Silvery Salamander.
It's on the top of my list for a sequel 😉
Chester zoo which is about an hour from me is the zoo where parthenogenesis in Komodo’s occurred and proved the hunch! 😃
The also lead trained them so they can take them out on walks when it’s sunny to keep their muscles strong and keep things interesting for them 👌
I'm torn between whether walking a Komodo dragon on a leash would be more thrilling or anxious.
@@Eloraurora For the dragon or for you?
@@tulliusexmisc2191 Ideally, for the trained zoo personnel. I'd assume the dragon is enjoying the chance to explore.
How DARE you!? I am not a walking pile of ants! 🐜 I'm a walking swarm of BEES! 🐝!!! 🤣
5:00 pregnant possome Grubby coming ashore was the talk of the town in Homer Alaska last summer!
Video idea!! Please make a video about zoology jobs or something like that for young people trying to figure out exactly what to do as a zoologist
I have been thinking about doing just that!
Also, as we are beginning to understand that not all jobs require a university education, can you also talk about jobs that don't require one? @@ClintsReptiles
Nah, that last Angler fish reproduction part is SO MY THING! I mean, the weird AF animals are my favorites (seahorses, hagfish, Greenland shark, Vampire Squid, Pipefish, Sumatran Rhino to name a handful), yes PLEASE make more of these. Matter of fact I want an entire month dedicated to these, Clint!
the ant section absolutely broke my brain, thank you Clint ❤
Can you make a video about a book called the complete guide to dinosaurs and prehistoric reptiles. It’s a very interesting book, but the spinosaurus is horrendous.😅
Komodo Dragon, best pet reptile?🤨🤨🤨
I don't believe it. But it is my favorite animal.
Just a mourning gecko with massive investment required.
Maybe if the only alternative is a saltwater crocodile...
Pretty sure it'd get 0s across the board. Same with great white sharks
Hey, it’s just an oversized Ackie, what could go wrong?
No one:
Angler fish: “Fu...sion, HA!”
Thank you for the great content!
I am a father of two and your ability to communicate and reach an audience of all different ages is very impressive.
Cheers from Alberta Canada
@ClintsReptiles Passionate insect lover here. Not sure you’ll see this, but I had a quick question about your explanation of ant reproduction.
I understand that when diploid queen ants and haploid male ants reproduce, their offspring inherit 75% of the DNA from their parents. 100% from the male (which makes up 50% of their dna) and 50% from the queen (which would be 25% of their total inherited DNA). And therefore, it follows that those females’ progeny would then have a further reduction of reproducing with another male, resulting in less female genes being passed on.
My question is, and maybe I have this wrong, is wouldn’t that issue still apply to successive queens from that colony? That diploid females that eventually end up becoming one of the few reproductive queens would also only have 75% of the genes, and therefore when they leave the colony, would face the same issue of reproductive reduction? I probably am misunderstanding the process. But to my knowledge, there is nothing genetically different from a queen candidate female and a worker female, only the amount of a certain type of protein they produce and quantity of food given to them.
So do ants have some mechanism around this “bottleneck” that seems to plague females? Or is it not that impactful as to end up damaging the species as a whole? Is there something genetically special about a “princess” ant that makes them less of an issue reproducing with a male than a worker? So curious, tried looking it up, getting mixed answers. Love what you do, and if anyone else has an explanation, would love to hear it! Genuinely super interested!
I would love to see more of the weird mating strategies!
If you think this is crazy, check out the _Akodon._ _Akodon_ is a genus of South American mice with a complicated sex-determination system. There are three mating types in most species: females, males, and sex-reversed males (who have a Y chromosome with a variant of the SRY gene that makes them resemble females). Exactly how this works varies in complicated ways by species that is still not completely understood. To give an idea of the complexity, the paper "Akodon sex reversed females: the never ending story" was published back in 2002.
Did Burying beetles bury their way into your heart? 😂
I'm currently re-reading Poul Anderson's novel, Three Worlds to Conquer...in it, there are people (natives) living on Jupiter's surface. They have two kinds of males, both of which have to inseminate the female with a short time to have offspring.
Your mention of "haploid" reminded me of a story that I don't think I ever actually read, but was in one of the Analog SF magazines someone gave me in the late 70s...Alice Sheldon's (pen name=James Tiiptree, Jr.) Your Haploid Heart. Turned out I didn't have a digital copy, so thanks to you, I've tracked down a site that has the missing issues. Now I'm going to have to go ahead and finally read that story, so I can figure out how a heart could be haploid. The story is introduced with "We've had troubles through all history with the War Between the Sexes. But these people had it far worse..." So, this fits pretty well with your video. I may be mistaken, but I could swear there were several stories with the word "haploid" in them, but I haven't looked at those magazines for decades.
I was not expecting these little beetles to be so complex! These little guys are insane! 😅
I'd have to say the weirdest mating strategy is in the passenger seat of a 2013 Nismo 370z. There's no back seats. It's a manual so don't knock it out of gear. And the seats don't really "recline". Not that I've done this. Especially not in an abandoned gas station parking lot. Now that would be weird...
HELL YEAH BUGS MENTIONED
He didn't talk about any Hemipterans in this video (Hemiptera are true bugs)... however there is a group of true bugs that do indeed reproduce in a weird way, with them bugs being called aphids. What makes aphids so weird? Well, they reproduce by laying eggs and giving live birth.
@@billyr2904 "🤓☝️ actually..."
@@billyr2904 I'm kidding, lmao yeah I know, honestly I'd love it if he made a video about the hymenoptera order, it's my favorite, but yeah true, they're not true bugs
Is Clint setting up an OnlyFans-Channel now, where he introduces different reproductive practises? 🙂
If a TH-cam-channel creates his own baby channels ... which kind of reproduction strategy is this and how would you name it?
What a pleasant way to begin my day😂
Lunch break 👌
Clint you are by far my favorite wildlife based creator, you manage to make content that should be enjoyable by any intellectual, whether they be 10 years old or 50 years old, education should always be an enjoyable experience
Of course you have a blue throat and pronouns
Big "Fellas, is it gay to love your wife?" energy.
The Woke left is trying to convinve girls that soyboy yellow lizards are sexy and ignoring the Alpha orange lizards 🤬😤😡
These videos really give the impression that Clint is too positive to have a least favorite anything, especially a least favorite animal. If you made him pick a least favorite animal he'd probably go on a 20 minute tangent where he occasionally says he could talk about how much he loves them all day interjected by saying that we are more closely related to salmon than salmon are to sharks.
Now i'm curious Clint. What is you're least favorite animal? Not to imply you hate, just least favorite
a ber-ree is something you eat bury is something you do Bur-ee
This beetles make their own burri-to...
They are pronounced the same by a lot of English speakers. Neither is wrong.
@@b.a.erlebacher1139 its just a long standing mispronunciation making english worse as we go. no where in english is a U supposed to make an E sound. I dont pronounce wok and walk the same either. even though many do does not make it right.
@@marumiyuhime English is spoken as a first or second language by more than 1.5 billion people. There have been regional variations in spoken English since long before it spread from the British Isles. English spelling was standardized at a time when it was pronounced differently than it is now, so it's no guide to correct pronunciation, or do you pronounce the k in know, knee and knife, and both the k and gh in knight? Or all those words with ough in them? Wherever you live in the English speaking world, I suggest you watch some movies or TV made in other countries and appreciate how differently English is pronounced in e.g. Australia, South Africa, India, northern and southern England, Scotland, and different areas of the US.
There's no definitive way to pronounce an English word correctly everywhere in the world. Just because someone doesn't speak exactly like you doesn't mean they're wrong.
@@b.a.erlebacher1139 there has to be a standard and as far as i know that is oxford english all others are deviations from centre. i am a monolingustic english speaker familiar with most english dialects. some things are just wrong even if it is perpetuated by the majority. im insulted that you think im ignorant of this i even read middle english works in the original scripts. I have a minor in english focusing on regional dialects and midle english. its bur-ee this is most correct berry is a fruit. kind of like fisher and fisher-man fisher is bird fisher-man is a human being who fishes. as for the word water its wat-ah were i live how do you say it. my native language is new england english not mid american english so this may be the issue.
While getting my BA in English, I took a course covering Victorian era novels. British literature has a LOT of cousin marriage, especially from the Victorian era. So, when I was doing an essay for Bram Stoker's Dracula, on the theme of fear of degeneracy, I decided to do some research on inbreeding.
The average, unrelated couple has a 2-3% chance of producing a child with serious genetic complications. First cousins have double the rate, 4-6%. Pure siblings have a 50% chance.
The US is the only Western developed country that has laws proscribing marriage between first cousins, and it's at state levels, and it's, if I remember correctly, less than half of the states, and it's in the states that stereotypically are the ones perceived to have a problem from it.
Charles Darwin stated that first cousins lack sufficient genetic diversity, and should avoid breeding. He married and bred with a first cousin of his. His son, who also became an evolutionary biologist, disagreed with this sentiment. Einstein was married to his first cousin, iirc. So was Edgar Allen Poe... And Queen Victoria. The kings of the UK, Germany, and Russia during WW1 were all first cousins, whose grandma was Victoria.
But I guess the odds for first cousins start to skyrocket if you do it time and time and time again (plus if you include uncles and nieces, right, Charles II of Spain?).
There's also a thing I'd never heard of before doing that research: double-first cousins...
The parasitic ruling classes have tended to inbreed for millennia, to keep wealth and power in the family.
Necrophile beetles was not what I was expecting
Real life Hunger Games
We call them death diggers. 🇸🇪
You made a video entirely about me and didn’t even reach out for an interview.
One of my biology professors called the sanchos "Sneaky Petes". 😂
Have you done snail reproduction yet? Super interesting.
What is even crazier is that the females kept the power triangle going and balance it all out.
As the song goes, "women rule the world"
Surprised you didn't have tarantulas. Some males deliver the silk-wrapped goods instead of copulation. Quick getaway.
One of my favorites that didn't get mentioned are white throated sparrows.
In addition to male and female, there's two morphs that either can be: tan and white. Tan morphs are more loyal mates and invest more in parental care; white morphs are more promiscuous and invest less, with females often resorting to brood parasitism and males just not helping out. You'd think tans would prefer tans and vice versa, but tans and whites actually often seek the other as mates, because well if you're not going to stick around it's not a bad idea to have a mate who will, and if you're putting all your literal eggs in one basket, chances are they'll have more babies if some of them are willing to cheat.
But where it gets wild is, the genes that determine if you're a white or tan sparrow... Act like sex determination genes. So much so that some researchers argue that it's more accurate to describe these sparrows as having four possible sex phenotypes (rather than the two typical of animals), with every individual expressing two. Basically the four genders are male, female, homebody, and deadbeat, and everyone gets to pick two.
tbh i really wanna watch the extra videos but 15 bucks is just... too much. thats like streaming service amounts of money...
Interesting thing about ants, there are even genera such as Diacamma that have no queens, and only the workers can reproduce. Called gamergates.
Though only some of them has the ability to reproduce, and only the most dominant of them all has mating rights.
There are even spp. that share queens and gamergates, like some species in Pseudoneoponera.
Hello, Sir, I am curious about this random question that just popped up in my mind. Where do Hybrid animals belong in the phylogenic tree?
One critique! The male ants displayed in this video were in fact female ants! As the same Formica rufa worker ant model was displayed, as all the workers are female this is not truly accurate 😮. So to improve this for future Clint make sure the team includes images of actual males that possess wings!! 👍
My favourite spider is another australian one called the tiger spider or trichonephila plumipes. They have 2 types of males, big ones (10% the size of females) that fight off little ones but get eaten by the females most of the time. And Small ones that can't fight for females but don't usually get eaten because they're so small (1% the size of females) so can mate multiple times, but might have to spend more time looking for a female that isn't guarded or end up with one that has already mated so only half or less of the kids will be theirs.
Yeah but that uncle Darrel was a legend at beach parties how many spiders live long enough to save up for a spider jet ski most of the time Aunt Marta keep's eating most of my uncles that could have all those neat toys.
Then one day uncle darnel crashed his Jet ski and died and aunt Marta sent me out to pick up uncle Darrel's body on his other jet ski and as soon as brought him back to shore aunt Marta ate him on the spot and was cracking jokes about Uncle Darrel being fast food and I'm like come on Aunt Marta you have issues the bodies not even cold yet and your eating him already I'm currently in spider therapy because of your behavior.
Hey, look, the For Science playlist has 69 videos now...
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Ooooooooh, so that's why.
Also, besides mating strategies, videos about courting strategies might be interesting. I still can't understand how attempting to bite your girl's front legs and face are displays of courtship, but it seems tortoises think that way.
Parthenogenesis is quite an amazing process and because of things like recombination you can become more then just clones in the end.
The healthy "half clones" could even become more healthy then their parent.
Just nature being it's straight forward common sense self without complexity or nuance.
This video is like that guy at a party that goes on a hour long rant about his random interest except I'm actually fascinated
Ruffs also have three types of male and an intresting mating dynamic. That would be nice to cover :)
3:17 really? I reckon there's a few more than one
my little mourning gecko girls lived watching this one
Schistosomes have a little groove in the underside of the female, where the male sits and moves around with her for up to twenty years, as a separate organism that could leave at any time but generally doesn't.
They also nibble on your liver and lay eggs through the walls of your bladder and intestines, which does make them a little less sweet.
so what im hearing is that those anglers are futas
Have you read "The Red Queen ", by Matt Ridley. Incredible insights.
If the sequel to this video doesn’t mention the Suriname toad and all the horrible visuals that come with it, I will be deeply disappointed lol
When im alone at night i ask chat gpt some random questions.
U are the answer to these questions even tho i didnt have these exact questions yet