Science has treated same-sex sexual behavior as an “evolutionary conundrum” because it (generally) doesn’t help animals to reproduce, thus ensuring that their genes get passed down and their species ...

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 ...

A new study found that subtle differences in an animal’s behavior by midlife can predict how long it is likely to live.

Wandering albatross pair in courtship in South Georgia. Researchers have found some birds have bolder personalities than others. Education Images / Universal Images Group via Getty Images Several ...

Drastic declines in biodiversity due to human activities present risks to understanding animal behaviors such as tool use, according to new research. Shrinking animal populations make the study of ...

Never underestimate the mind of a crow. Members of a family of birds that includes ravens, rooks, magpies, and jays, crows have been known to bend wire into hooks to retrieve food; drop nuts in a road ...

A total solar eclipse will be visible in North America today. Animals may start acting weirdly as the moon blocks out the sun. Scientists aren't completely sure how eclipses affect animal behavior.

Some of the foundational studies in the field were neither ethical by today’s standards nor replicable. But we can do better. Unfortunately for both the field and the dogs themselves, the truth is ...

WASHINGTON (AP) — When a total solar eclipse transforms day into night, will tortoises start acting romantic? Will giraffes gallop? Will apes sing odd notes? Researchers will be standing by to observe ...

I've been studying various aspects of animal behavior, especially in mammals, for many decades and have always felt uneasy about how cultural values have limited our true understanding of the dynamics ...