5331965
9781570915888
Meet some of the ocean's best swimmers: they don't have gills or scales, and they breathe air just like you. They are marine mammals specially adapted to life in the water.Arnold, Caroline is the author of 'Super Swimmers Whales, Dolphins, and Other Mammals of the Sea', published 2007 under ISBN 9781570915888 and ISBN 1570915881.
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