Non-human animals display many unexpected cognitive abilities and forms of intelligence. The story of Mac is an intriguing ...

A tiger walks the same worn groove along the edge of its exhibit, like a broken record. A parrot methodically plucks out its own feathers until bare skin shows through. To a casual visitor, these can ...

It's not only humans that do some sketchy, questionable stuff. Animals in the wild have their own peculiarities, too, and these weird animal behaviors usually don't go unnoticed. And by weird, we ...

On Aug. 21, 2017, a solar eclipse shrouded The Riverbanks Zoo and Garden in Columbia, South Carolina, in near-total darkness for 2½ minutes. In the time leading up to the darkness, during it, and ...

Instinct / Charles Darwin -- Introduction / George C. Romanes -- Introduction / E. L. Thorndike -- What is behaviorism? / J. B. Watson -- Critique of Konrad Lorenz's theory of instinctive behavior / ...