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 ...

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 ...

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 ...

In a world first, researchers at the University of Sydney have observed a normally live-bearing Australian lizard lay three eggs and then weeks later, give birth to a live baby from the same pregnancy ...

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

A newfound species of parasitic worm wiggles its way into the brains of baby lizards long before the reptiles hatch. How do the nematodes break into developing lizard brains? They sneak in through the ...

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 ...

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 ...

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 ...

KENEDY, Texas — "We couldn't wait to get home, change our clothes and go play with the Horned Toads," says Lisa Yaklin. She grew up in Kenedy, Texas... now designated as the 'Horned Toad Capital of ...