Unusual coloration – Some reptiles may darken their skin or scales in an attempt to absorb less heat. Swelling or inflammation – Severe overheating can lead to swelling in the body or limbs.

Why was it the mammals who triumphed? An asteroid impact triggered the K-Pg mass extinction, wiping out the non-avian dinosaurs, ending the Age of Reptiles, and ushering in the Age of Mammals.

I don’t remember much of what he said — I was too busy looking for reptiles in the shrubs. Later that day, we came upon a gaggle of children surrounding a snake. For a split moment ...

What are amphibians and reptiles? Amphibians are frogs, toads, newts and salamanders. Most amphibians have complex life cycles with time on land and in the water. Their skin must stay moist to absorb ...

Amphibians and reptiles are amazing creatures with clever adaptations that have allowed them to brave the millennia. Consider the Coachella Valley fringe-toed lizard's scaly hind toes, which resemble ...

Reptiles living in open habitats generally have brighter coloration than species living in denser vegetation. This is shown in a new study from Lund University in Sweden. The study, published in ...