Scientists have recorded same-sex behavior across many animal groups, including mammals, birds, and reptiles. Still, the meaning of that behavior depends on the species and the context. Behavior that ...

Add Yahoo as a preferred source to see more of our stories on Google. Animal nervous systems may lose their adaptive edge with climate change. PM Images/DigitalVision via Getty Images Human-driven ...

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 ...

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 ...

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 ...

During the height of the COVID pandemic, headline stories were peppered with photos of deserted streets from the world’s largest metropolises. Universities quickly began to resemble ghost towns, as ...

Learn more about kleptoparasitism and how animals adjust to it when their food sources are scarce.

Add Yahoo as a preferred source to see more of our stories on Google. A goat with an arrow wound nibbles the medicinal herb dittany. O. Dapper, CC BY When a wild orangutan in Sumatra recently suffered ...

Pattern images merge outlines of an organism’s position at different timepoints to depict movement, providing a still image that increases LabGym’s accuracy in recognizing behavior types. Shown are ...

Antidepressants don’t just affect human libidos. New research shows that female starlings fed food spiked with the antidepressant fluxoxetine (Prozac), were less “attractive” to males and so less ...

Can bullying behavior ever be stopped? For the last half decade or more our attention to the very real suffering that bullying causes has led to an entire industry focused on “bullies.” Yet for all ...