How fast does a hummingbird's heart beat?
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If someone is a well trained athlete, their heart rate may be as low as 40-60 beats per minute. It is hard for me to imagine that it is possible for the hummingbird to actually survive the fact that its heart rate is so amazingly fast. It is just one of the many examples of what the hummingbird does with great speed. read more
Source: hummingbirdsformom.com
In torpid hummingbirds, the heart rate can drop to 50-180 per minute. Gender Differences in Migration Male hummingbirds migrate northward as much as three weeks earlier in the spring than females. read more
Source: hummingbirds.net
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