Animal behaviour often appears strange when viewed through a human lens, yet careful research frequently reveals that unusual actions serve clear biological functions. In 2025, several peer-reviewed ...

For years, animal behavior was explained as instinct or routine survival. New research is expanding that view.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Homosexual behavior is much more common across the animal kingdom than ...

Animal behavior research relies on careful observation of animals. Researchers might spend months in a jungle habitat watching tropical birds mate and raise their young. They might track the rates of ...

A study by Spanish researchers suggests same-sex sexual behavior among mammals − especially primates − is not only common and adaptive but supports social relationships and reduces conflict. Their ...