Despite what many of us were once taught in school, not all reptiles lay eggs. In fact, one of the most widespread lizards in Europe give birth to live young. Now, it seems these common lizards ...

Which came first, the lizard or the egg? In the case of at least one lizard, we have an answer: the live-bearing lizard came first and only later evolved the ability to lay eggs. It’s a rare example ...

House lizards are common in Indian homes, and their eggs, often found in pairs, are small, oval, and leathery. These eggs, ...

Reptile eggs are an interesting area of study, but what makes the distinction between snakes and lizards regarding their eggs so complicated and fascinating? Both reptiles can lay eggs and even have ...

For Nathalie Feiner, it was just another day in the lab. As part of her work on understanding how the common wall lizard is adapting to a changing climate, the evolutionary biologist was observing one ...

1. One of the primary axes of life-history variation involves the proportion of embryonic development for which the offspring is retained within its parent's body; understanding trade-offs associated ...

Whether baby lizards will turn out to be male or female is a more complicated question than scientists would have ever guessed, according to a new report published online on June 4th in Current ...