Hummingbird Metabolism

Hummingbird Metabolism

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Hummingbird Metabolism

A small hummingbird perched quietly on a twig at dawn in a sheltered flowering shrub.

Behavior & Facts Hummingbird Torpor: How They Survive Cold Nights

Torpor lets hummingbirds reduce energy use on cold nights or low-fuel nights, then warm back up and feed after dawn.

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