Who be your daddy? Boa constrictor has a 'virgin birth'

Asexual reproduction is common among invertebrates but rare in vertebrates, though parthenogenesis, in which an unfertilized egg develops to maturity, can occur.

Now scientists have discovered a boa constrictor that reproduces by virgin birth - read it at Livescience for the details.

Credit: Warren Booth, via Livescience.