When a pair of Ryukyu Scops Owls mates on a remote Japanese island, their calls carry a message to every pair within earshot — and the neighbors are listening. A study published August 22 in the ...

(Phys.org)—A small team of researchers from Dalhousie University, the University of Massachusetts and Tufts University has learned more about the ways that cetaceans copulate by using parts from dead ...

This isn't the first time we've highlighted a report of a bat species that engages in oral sex. However, this time it's the females that get the extra attention. First fellatio, and now cunnilingus: ...

(PhysOrg.com) -- Female bonobos are noisy bi-sexual love-makers that call most when mating with higher ranking partners, according to new research. The new study by researchers at the University of St ...

Female chimps are more concerned with having sex with many different males than finding the strongest mate, according to researchers. The new study suggests that female chimps keep quiet during sex so ...

Pseudo-copulation -- an interaction that mimics sexual copulation -- is a behavior known in mammalian communities that reduces aggression and signifies social dominance, particularly among males.

Eavesdropping male Barbary macaques can tell by a female's cry whether copulation with another male has been an orgasmic experience. The female macaques emit ear-piercing calls when mating that vary ...