"SOME INTERESTING FACTS ABOUT BIRDS"

* The oldest bird was known as an Archaeopteryx and lived about 150 million years ago.

* The most yolks ever found in a single chicken's egg is nine.

* An ostrich egg needs to be hard-boiled for 2 hours.

* The Royal Albatross' eggs take 79 days to hatch.

* The egg of the hummingbird is the world's smallest bird's egg;the egg of the ostrich,the world's largest.

* The now-extinct elephant bird of madagascar laid an egg that weighed 27 pounds.

* Air sacs may make up 1/5 of the body volume of a bird.

* A bird's heart beats 400 times per minute while resting and up to 1000 beats per minute while flying.

* The world's only wingless bird is the kiwi of New Zealand.

* Pigeons can reach speeds up to 100mph.