Little is known about the mating habits of the serotine bat (Eptesicus serotinus), but the males of the species boast unusually large penises—much larger than the vaginas of the females. The purpose ...

It looks like flying isn’t the only unusual thing that bats can do compared to other mammals. New research has found a bat species whose males use their large penises like an arm during sex. Rather ...

Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Researchers have discovered a bizarre mating strategy in bats with ...

Mammals usually mate via penetrative sex, but researchers report Nov. 20 in the journal Current Biology that a species of bat, the serotine bat, (Eptesicus serotinus) mates without penetration. This ...

A new study of wild bats reveals that an animal's immune system is shaped by more than its need to fight infections. Researchers from the University of Maryland have found that sex, age and ...

The shape and function of a penis is unique among some animals. Not every creature has one — birds, for example, simply eject sperm from their cloaca. But among male mammals, penises are widespread ...

Tropical bats learn to “eavesdrop” on their prey over time to help distinguish between tasty and toxic frogs, a new analysis suggests. The study looked at fringe-lipped bats that range from Panama to ...

Mammals usually mate via penetrative sex, but researchers report November 20 in the journal Current Biology that a species of bat, the serotine bat, (Eptesicus serotinus) mates without penetration.

The shape and function of a penis is unique among some animals. Not every creature has one — birds, for example, simply eject sperm from their cloaca. But among male mammals, penises are widespread ...