Hummingbirds' hearts beat up to 1,260 times per minute
Hummingbirds boast the animal kingdom's fastest heart rates, pulsing up to 1,260 times per minute to power their dazzling aerial feats and sustain their high-energy lifestyle.
Hummingbirds possess one of nature's most incredible circulatory systems. Their tiny hearts can beat an astonishing 1,260 times per minute during intense activities like flight, dropping to around 500-600 bpm at rest. This rapid pace fuels their extraordinarily high metabolism, demanding they consume nearly their body weight in nectar daily.
There's more to this story — open the app to keep reading.
Continue Reading in App
1 more paragraphs · plus a 3-question quiz