Male lizards and snakes have a pair of reproductive organs called hemipenes — two tubular genitals that stay inverted inside the male's body, until it's time to mate. B. nana's hemipenes ...

The reptile's genitals are almost 20% as long as its body is, they found. Exceptionally large genitals The Malagasy nano-chameleon's body is less than half an inch long, researchers found.

A newly discovered, miniature chameleon may be the world's smallest adult male reptile. Evolutionarily speaking, not everything appears to have shrunk at the same rate, however.

Additionally, Cenaspsis’ hemipenes—branched sexual organs that essentially amount to dual penises, according to National Geographic’s Tina Deines—lack the spines commonly seen along the ...