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The neurobiologist Erich Jarvis studies the few species capable of speech. He has long hoped to genetically engineer an ...

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 some of the, well, less stressful corners of social media, you can hear all kinds of bird calls, people sharing recordings of birds that they took with their phones. (SOUNDBITE OF ARCHIVED ...

Click here full details on each show. Bird Calls with Cliff Shackelford for Tuesday, October 12, 2021 - Our profile species is the Lesser ScaupBird Calls with Cliff Shackelford for Tuesday, October 12 ...