Hummingbirds and Magpies
Hummingbirds beat their wings at an average of 53 times per second and require a surprisingly low calorie intake daily. Their rapid metabolism is fueled by nectar, which they need to consume almost immediately after waking. Meanwhile, magpies swoop at people during nesting season to protect their young, highlighting the instinctual behaviors of birds in the wild.In this clip
From this podcast

Ologies with Alie Ward
Ornithology (BIRDS) Encore Presentation with James Maley
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