Not sure whether your leopard gecko is male or female? Thankfully, determining the sex of one of the adorable little lizards is fairly easy once they reach a certain age and size. Like many reptiles, ...

A male leopard enters the floodplain, taking everyone by surprise. A male leopard moves onto the floodplain, heading straight toward Xudum. This poses a great risk to the female leopard, who is close ...

Lediba and her cub face-off with male leopard Bongwe. The number of male leopards moving through Lediba’s territory is a concern for her cub's safety, and right on cue, dominant male Bongwe appears.

In reptiles, a simple temperature change can determine whether an egg develops into a male or female. This process is ...

Researchers pinpoint when temperature determines sex and uncover early genetic changes guiding male or female development in ...