Female hummingbirds are very protective of their nests and their young. If another female tries to steal the nest or nesting material, a chase can result. Hummingbirds consume half their body weight ...

While in torpor, the bird appears almost comatose, unable to respond quickly to stimuli, ... (The Anna’s hummingbird common in western North America is one exception.) ...

This video shows torpor in action, although the hummingbird in question seems to be snoring away. This behavior is highly unusual, given that torpor is more of a partial sleep than a deep hibernation.

Anna’s hummingbirds have evolved to have longer, larger beaks to access backyard feeders in urban areas. It could be a step toward becoming a “commensal” species that lives alongside humans ...

Some species, like the Anna's hummingbird that's common in Arizona, remain in their breeding territories year-round. Hummingbird migration map 2025.

While in torpor, the bird appears almost comatose, unable to respond quickly to stimuli, and breathing only intermittently. The strategy can save up to 95 percent of hourly metabolic costs during ...

Hibernation looks different for many animals, including hummingbirds. They go into a state similar to hibernation called torpor, which helps them conserve energy. During this time, a bird’s ...