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From two experts on wild parrot cognition, a close look at the intelligence, social behavior, and conservation of these widely threatened birds. Pe...

The kea, a crow-sized parrot that lives in the rugged mountains of New Zealand, is considered by some a playful comic and by others a vicious kille...

Administrators of museums and other informal-learning centers often need to demonstrate, in some tangible way, the effectiveness of their instituti...

Administrators of museums and other informal-learning centers often need to demonstrate, in some tangible way, the effectiveness of their instituti...

People form enduring emotional bonds with other animal species, such as dogs, cats, and horses. For the most part, these are domesticated animals, ...

The biological functions of coloration in animals are sometimes surprising. Color can attract mates, intimidate enemies, and distract predators. Bu...