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

1. Trade-offs between the reproductive and immune systems are predicted when resources are limited, but are difficult to measure. 2. We used ¹⁵N-labelled amino acids to directly compare protein ...

Papers from a symposium held June 5-6, 1978, at Arizona State University, Tempe, sponsored by the Society for the Study of Amphibians and Reptiles. Contents The reproductive biology of reptiles: an ...

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 ...

The American crocodile had been isolated in a reptile park enclosure for 16 years when she laid a clutch of eggs. When you purchase through links on our site, we may earn an affiliate commission. Here ...

(CNN) — Scientists say they have documented the first virgin birth in a crocodile. And while the concept may sound bizarre to humans, this type of reproduction is not unheard of across the animal ...

A rare fossil discovery in Antarctica has upended scientific understanding of ancient marine reptiles. Buried beneath 68 million years of sediment, a soft-shelled egg as big as a football has emerged ...

Long dismissed as unintelligent, reptiles are emerging as cognitively and emotionally complex animals. A new study involving tortoises suggests that they also possess mood states. By Brandon Keim ...

Sea snakes have dramatically reconfigured their sense of smell for underwater life. Researchers found their airborne scent ...