When a male Anna’s hummingbird pulls out of a courtship dive at roughly 60 miles per hour, the air ripping through his outer tail feathers produces a loud, sharp chirp. It is not a vocalization. No ...
Hummingbirds are well known for their hovering antics and being able to fly backwards. But these little guys have another idiosyncrasy—in some species, the males make loud noises with their tail ...
Measuring 123 species, biologists found two new contenders for loudest bird, and learned that bigger birds with wider mouths are louder.
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