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 ...

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 ...

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 ...

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.

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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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Bats have long been the odd ones out among mammals. They are the only creatures in this branch of the animal kingdom capable of ...

The bats funnel out of the houses at high speeds to hunt throughout the night. A silence fell over Museum Road as the sunset, with spectators huddled around the wooden fence waiting for thousands of ...

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 ...