Have you ever wondered how tortoises lay eggs? For many temperate species, such as Mediterranean and North American tortoises ...

Understanding where we came from—egg-laying reptiles, not dinosaurs—gives us a deeper appreciation for the twists and turns that brought us here.

Among reptiles, some groups, such as turtles and crocodilians, only lay eggs; they are never livebearers. Most snakes and lizards also lay eggs, but approximately 20 percent are livebearers.

The earliest reptiles, birds and mammals may have borne live young, researchers from Nanjing University and University of Bristol have revealed. Until now, the hard-shelled egg was thought to be ...

Egg-laying species: Both groups reproduce by laying eggs, though the conditions and environments for egg development differ—amphibians lay their eggs in water, while reptiles lay eggs on land.

Which came first: The reptile or the egg? Date: June 12, 2023 ... and it turns out that live-bearing lizards can flip back to laying eggs much more easily than had been assumed." ...

In egg-laying species, the embryo gets nourishment from the yolk, but calcium absorbed from the porous shell is also an important nutrient source. 0:48 Some fish and reptiles, meanwhile, use a mix ...

Crocodiles are interesting creatures. They are strong and tough on the outside and can kill with one crunch of their massive ...

Sea turtle egg-laying season is about to begin, and several South Florida sites are offering nighttime walks to see the enormous creatures come in from the ocean, lay their eggs on the beach and ...

Tuatura: Lizard-like reptile takes 38 years to lay an egg in Chester Zoo. But if your kind has been around 220 million years, there’s no hurry ...

Among reptiles, some groups, such as turtles and crocodilians, only lay eggs; they are never livebearers. Most snakes and lizards also lay eggs, but around 20% are livebearers.