Multiple choice

What is the average heart rate of a hummingbird?

  1. 1260 beats per min

  2. 600 beats per minute

  3. 240 beats per min

  4. 170 beats per minute
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A Correct answer
Explanation

Hummingbirds have extremely high metabolic rates, which requires a very fast heart rate. Their heart rate can reach up to 1,260 beats per minute during flight.

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