The unique 'voice prints' could help the chatty birds pick one another out in a flock, according to new research. By Laura Baisas Published Oct 3, 2023 7:15 PM EDT Add Popular Science (opens in a new ...
Part 1. 'I don't do calls' -- Crossing the sound barrier -- Tone and timpre -- Pitch and frequency -- Rhythm and timing -- Part 2. Put it all together and what have you got? -- Simple calls -- Simple ...
In the urban parks of Barcelona, Spain, the calls of a tropical parrot fill the air. The bright green monk parakeet, native to South America, has found a new home in European cities. Monk parakeets ...
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