Reptile eggs are an interesting area of study, but what makes the distinction between snakes and lizards regarding their eggs ...

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 ...

GAINESVILLE - A black-and-white striped bandit from South America has invaded the habitat of threatened and endangered Florida wildlife, stealing their eggs and potentially causing an environmental ...

The reproductive biology of reptiles encompasses a wider range of strategies than is often assumed in general accounts of the ...

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 ...

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 ...

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 ...

Newborn animals big or small, human or reptile, can usually fascinate the curious mind, but a surprising birth brings interest to another level. A Houston-area man was surprised by a new arrival, but ...

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 ...

Melanie Laird receives funding from The University of Otago. Camilla Whittington receives funding from the Australian Research Council. University of Sydney and University of Otago provide funding as ...