Cranes are large, long-legged and long-necked birds of the order Gruiformes, and family Gruidae. Unlike the similar-looking but not related herons, cranes fly with necks outstretched, not pulled back. Some species of cranes migrate over long distances, while cranes in warm climates do not migrate at all.
Cranes fly with their necks fully extended, whereas herons, once they have attained their full flight speed, pull their heads back so that the neck is bent in an S-curve.
The largest members of the crane family belong to the genus Grus, including the North American sandhill crane and whooping crane.
Crane birds is of open country—marshes, meadows, prairies, and tundra. They feed on small animals and vegetable matter. They are notable for their elaborate courtship dances, by which the pair bond is established.
Kingfishers of all three families beat their prey to death, either by whipping it against a tree or by dropping it on a stone.They are able to see well both in air and under water. To do this, their eyes have evolved an egg-shaped lens able to focus in the two different environments.
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