Почему исчезают домовые воробьи? 8 гипотез / Репортаж орнитолога

Почему исчезают домовые воробьи? 8 гипотез / Репортаж орнитолога.
The text is based on the words of the candidate of biological sciences, ornithologist Anton Baranovsky.
0:00 Symbol of 2022
0:54 Synanthropic bird
1:37 Hypothesis one - The disappearance of horses
2:01 Hypothesis two - Reducing agricultural waste
2:21 Hypothesis three - Pesticide use
3:06 Hypothesis 4 - Hawks
3:40 Hypothesis 5 - Mowing the grass
5:25 Hypothesis six - Modern buildings
5:49 Hypothesis seven - Disposal of food waste
6:16 Hypothesis Eight - Difficult Relationships at the Feeders
7:03 Conclusion
7:26 Reducing the number of house sparrows on the example of Ryazan
8:16 Situation for the tree sparrow
8:33 Topic for next report