Animals reproduce in different ways. Some, like humans, give birth to live young. A few reproduce by budding – a new creature ...

Birds aren’t the only egg-layers on the planet; there are reptiles, fish, and even a few mammals that lay eggs. Watch this ...

Oh! The birds have knocked it off. Laying your eggs in a nest is much safer, because then they're better protected and can't fall out. Lots of other animals lay eggs too. This egg is starting to ...

This big egg belongs to an ostrich. Some animals, like lizards, lay much smaller eggs and much more of them. During sexual reproduction a sperm from the male joins with an egg from the female.

There are more viviparous shark species - which bear live young - than sharks that lay eggs. But throughout Earth's oceans, viviparity occurs in a variety of forms. Whale sharks (Rhincodon typus) are ...