Birds of a feather flock together, but it can be hard to tell them apart -- unless, of course, you're an expert ornithologist. Such is the case for a species of parrot that was recently identified and ...

To begin deciphering the subtleties of wild Amazon Parrot duetting, Professor Dahlin and collaborators conducted more than three years of field work to record the warble duets sung by mated pairs of ...

Wild yellow-naped amazon parrots in Costa Rica produce structured vocal duets that follow rule-governed sequences strikingly similar to the syntax found in human language, according to new research ...

Warble duets seem linked to active territory defense. Physical fights in the wild were always preceded by warble duets. Playback experiments also showed that parrots increased warble duets when ...