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 ...

With a few minutes of searching, anyone can find videos online of chatty birds: macaws talk to their keepers, cockatoos sing ...

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

Editor's Note: This article was provided by our partner, ScienceNordic. The original is here. A small insect buzzes around the head of a child on a warm summer day. It makes a quick landing on the kid ...