Viviparity, the live-bearing mode of reproduction, has evolved independently in several vertebrate lineages, including squamate reptiles and seahorses. In reptiles, evolutionary transitions from ...

Identifying the sex of animals can be difficult at first glance, depending on the species and their appearance. Lizards, crocodiles, and other reptiles are especially difficult to discern. However, ...

Biodiversity is disappearing at an alarming rate and is driven by human activity: contamination, greenhouse gases and extreme temperatures. But how exactly do these factors affect the reproduction and ...