“Hummingbirds can to hover in mid-air by rapidly flapping their wings 15–80 times per second (depending on the species). They can fly backwards, and are the only group of birds able to do so.
They do not spend all day flying, as the energy costs of this would be prohibitive; the majority of their activity consists simply of sitting or perching. Hummingbirds feed in many small meals, consuming many small invertebrates and up to five times their own body weight in nectar each day. They spend an average of 10-15% of their time feeding and 75-80% sitting and digesting.”
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- Sufjan Stevens
- Wikipedia - Hummingbird
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