Learn how wild parrots follow language-like syntax and structured vocal rules during territorial duets.

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 ...

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 ...

According to a new study, the precise patterning of bird feathers relies on signaling through ectodysplasin (EDA) and its receptor EDAR -- the same signaling pathway known to be crucial for the ...