Serotine bats have sex unlike any other mammal: with the penis of male serotine bats being too big for penetration, instead the animals touch their genitals together to mate – a style of sex more similar to birds than any known mammal

Serotine bats have sex unlike any other mammal: with the penis of male serotine bats being too big for penetration, instead the animals touch their genitals together to mate – a style of sex more similar to birds than any known mammal