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 ...

Phoenix is believed to be home to the world's largest colony of rosy-faced lovebirds outside of their native Africa.

Quick Take The kākāpō is a flightless parrot inhabiting just a few islands off New Zealand’s coast. Females breed only when ...