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 ...
The red-crowned Amazon is a beautiful parrot, but despite populations in the U.S., it may be going extinct in its ancestral ...
Explore an interactive avian tree of life that reveals how 11,000 bird species are connected through millions of years of ...
Decades of cognitive research reveal that parrots can understand what numbers represent. Here’s how these birds use them to ...
Researchers and volunteers in Texas documented birds of different species preening one another. Experts say the behavior may be more common than documented.
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