Distinguishing between snake and lizard eggs involves observing size, shape, texture, and nesting habits. Snake eggs are larger with leathery shells, laid in clutches in humid spots. Lizard eggs are ...

A baby Western fence lizard stowed away in an Eagle Rock car, giving its driver a scare before making it out alive. Experts ...

New findings add a surprising twist to the already complex mechanism that determines whether reptile embryos develop to be males or females. An egg-laying lizard found in the hills of southeastern ...

Snakes, like most reptiles in the world, are oviparous. This means that rather than producing live young ones, the way mammals do, snakes produce an immature single cell — an egg. Most snakes follow ...

Researchers studied two lizard types and found that heat rewrites their breeding biology. Madagascar's Guibé's ground gecko ...

Identifying intrinsic and extrinsic sources of variation in life history traits among populations has been well-studied at the post-embryonic stage but rarely at the embryonic stage. To reveal these ...