A woman who recently began keeping chickens was left in shock when she saw one of her hens had laid an egg almost twice the usual size. When she cracked it open, she was astounded to find a second, ...

Discover more about the egg-laying monotremes of Oceania and the ancient traits they still carry.

Snakes, like most reptiles in the world, are oviparous. This means that rather than producing live young ones, the way mammals do, snakes produce an immature single cell — an egg. Most snakes follow ...

A curious aspect of tree frogs is that they often lay their eggs on the ground where the risk of predation by natural enemies is greater than in the trees where they live. A research team suggested ...

After a female tortoise is fertilized, she undergoes several changes. After mating, the female tortoise will carry eggs for weeks to months, depending on the species. As the female tortoise gets ...

Add Yahoo as a preferred source to see more of our stories on Google. Animals reproduce in a variety of fascinating ways. Some species, including humans and many other mammals, give birth to live ...

Female moths avoid laying eggs on stressed plants that emit ultrasonic sounds. Instead, they choose silent, healthy plants.