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 ...
Anna's hummingbird flying in the experimental setup, drinking sugar water from a fake flower. Credit: Lentink Lab / Stanford University. Anna's hummingbird flying in the experimental setup, drinking ...
Once you hear it, the sound becomes an iconic multifaceted auditory image. And that sound would be the whirring hum of ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results