Getty Images
Siberian birds are feeding fish.
Siberian birds are feeding the fish in the middle of the mound.
Getty Images
Siberian birds are feeding fish.
Siberian birds are feeding the fish in the middle of the mound.
NASA
Nasa: Space Place: Animals on the Move
Learn all about migration and the need for certain animals to move in order to survive. Links to a matching memory game with migratory animals. Animals include wood stork, Demoiselle crane, Siberian crane, Barrows goldeneye ducks, King...