When an Eurasian jay puffs up
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- เผยแพร่เมื่อ 11 ก.ย. 2024
- A jay stopped at our observing tree log for a rest and puffs up its feathers. Birds often to this to trap air between feathers as a way to keep warmer. Feathers provide a remarkable insulation against the cold, this is often seen during winter.
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