Young male fruit flies make females fight each other more

Mating changes female behavior across a wide range of animals, with these changes induced by components of the male ejaculate, such as sperm and seminal fluid proteins. However, males can vary significantly in their ejaculates, ...

Biggest fish in the sea are girls

A decade-long study of the iconic fish has found male whale sharks grow quickly, before plateauing at an average adult length of about eight or nine meters.

Female chimps with powerful moms are less likely to leave home

In chimpanzee society, males spend their entire lives in the group where they were born, cooperating to defend their territory, while females tend to move away. But some chimp females seem less willing to cut the apron strings.

Young Asian elephants form all-male groups to survive

A team of researchers affiliated with several institutions in India has found evidence of young Asian elephants forming all-male groups as a way to survive. In their paper published in the journal Scientific Reports, the ...

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