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Everyone loves to watch hummingbirds—tiny, brightly colored blurs that dart about, hovering at flowers and pugnaciously defending their ownership of a feeder. But to the scientists who study them, ...

As they zip around in search of nectar, hummingbirds have no trouble navigating dense foliage and other tight spaces. This feat is especially impressive for hummers, because unlike other birds, they ...

Ithaca, NY—At night, hummingbirds lower their body temperature and metabolism drastically by dropping into an energy-saving state of inactivity called torpor. Scientists from multiple universities now ...

During their nightly energy-conserving cooldowns, hummingbirds may strategically adjust just how low their body temperatures go. These tiny powerhouses cool off by up to 37 degrees Celsius while ...

Researchers wanted to study how Anna's hummingbirds adapted to higher elevation. (Pictured: male Anna's hummingbird) Robert McMorran/ U.S. Fish and Wildlife Service via Wikimedia Commons under Public ...