Competition between species played a major role in the rise and fall of hominins -- and produced a 'bizarre' evolutionary pattern for the Homo lineage -- according to a new study that revises the ...
A new study suggests competition between neighboring primate groups may shape differences in body size between males and females.
Most people think animal behavior is instinct. Fixed. Predictable. Hardwired over time. But wildlife experts often see something very different. Behavior that evolves. Not instantly. Not dramatically.
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