Back in 2012, a baby brownbanded bamboo shark was born in tank even though the mother hadn't been exposed to a male for 45 months. Scientists have now figured out how this so-called "virgin birth" was possible.
Facultative parthogenesis, commonly known as "virgin birth," isn't unheard of in the animal kingdom, but it's especially rare among vertebrates. And while it's been observed in snakes in the past, never before has it been identified in any wildspecies. Until now.
Chalk another one up to Jeff Goldblum — researchers say that female pit vipers, like the copperhead snake pictured up top, have joined the growing ranks of animals known to be capable of reproducing asexually, i.e. without mating with a member of the opposite sex.