Hummingbird is the smallest of nearly 10,000 known birds. Hummingbirds have incredibly high heart rates. Its average heart rate during flight is 1200 beats per minute.

Bird Trivia: Hummingbirds' average heart rate is 1200 beats per minute
Bird Trivia: Hummingbirds’ average heart rate is 1200 beats per minute

Even at rest, the hummingbird’s heart rate reaches 250 beats per minute. Every night, hummingbirds enter a hibernation-like state, which helps them maintain energy.

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