For most animals, reproduction is straightforward: Some species lay eggs, while others give birth to live babies. But our recent research uncovered a fascinating mix between the two modes of ...

House lizards are common in Indian homes, and their eggs, often found in pairs, are small, oval, and leathery. These eggs, typically laid in dark, warm spots like wall cracks and behind furniture, are ...

Our earliest vertebrate (animals with backbones) ancestors laid eggs, but over millions of years of evolution, some species began to give birth to live young. There is a traditional dichotomy in ...

When a female horned lizard lays her eggs, she finds herself up against several predators that want to devour them. Fortunately, the female horned lizard doesn’t back down very easily, and when she ...

Normally, animals reproduce by either laying eggs or giving birth to live young, but an Australian species of lizard can apparently do both in the same pregnancy. Scientists at the University of ...

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 ...

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 ...

Melanie Laird receives funding from The University of Otago. Camilla Whittington receives funding from the Australian Research Council. University of Sydney provides funding as a member of The ...

MT. HAMILTON — Authorities here are asking the public to be on the lookout for a large, black and white egg-eating lizard last seen at Joseph D. Grant County Park. The Argentine black and white tegu ...