Squamates are the most diverse reptiles, including lizards, snakes, and amphisbaenians. With more than 11,000 species worldwide they occupy habitats ranging from deserts and forests to grasslands, wetlands, and even the open ocean. Their diversity is reflected in their anatomy, behaviour, and ecological roles, from tiny geckos to large constrictors and venomous vipers. Familes of … Continue reading "Class Reptilia: Order Squamata — Lizards and Snakes"

Reptiles are ectothermic vertebrates characterised by dry, scaly skin and reproduction typically involving shelled eggs laid on land. They evolved from amphibian-like ancestors over 300 million years ago and today include crocodilians, turtles, lizards, snakes, and the tuatara. Orders of Reptiles Modern reptiles are divided into four living orders, ranging from the ancient tuatara lineage … Continue reading "Class Reptilia — Reptiles"