It is a defence against predators. The more that aren't eaten, the greater the chance of survival of the species.
Male birds do not lay eggs. Only female birds have the ability to lay eggs.
yes birds lay eggs
Yes. Magpies are birds. All birds lay eggs.
Yes, they are birds and birds lay eggs.
Yes All birds lay eggs
They lay eggs and eat worms.
They lay eggs
birds lay eggs
amphibians lay eggs, and positively birds lay eggs.
Yes, all birds lay eggs.
All female birds lay eggs. It is how they reproduce.
No. Birds do not lay clear eggs at all to my knowledge.