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 ...

OKLAHOMA CITY (KFOR) — From tree canopy or above, there are thousands of different birds flying around, each sporting their own unique call. Then again, it could be Samuel Henderson, who knows a lot ...

Recent studies in both captive parrots and wild green-rumped parrotlets indicate that some species use individualized calls to distinguish specific individuals. Captive birds often mimic human-given ...