More than 4,500 wild animals tracked by GPS across six years changed how they used their habitat the moment people arrived, ...

A global analysis has found that urban animals are bolder and more aggressive, exploratory and active than their rural counterparts. The findings are published in the Journal of Animal Ecology.

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 / ...

In the natural world—where predators pounce, prey flee, and group members feed and sleep in solidarity—animal behavior is glorious in its variety. Now, new research suggests there may be an underlying ...

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 ...