Heron

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Wading, non swimming water birds.
Also known as egrets or bitterns.
Herons fly with their necks retracted, unlike storks, ibises etc.
Some herons nest in trees, others in reed beds.
Female and male herons look very similiar.
Herons exist on all continents except Antartica.
Herons are carnivorous, eating fish, reptiles, amphibians, crustaceans, molluscs, insects and other birds.
Most herons hunt by waiting motionless.
Herons hunt alone.
Herons are monogomous.
Most herons roost and nest in large colonies called heronries.
Male herons first build the nest, which they use to attract the female.
Herons generally lay three to seven eggs.