A baby dolphin swims with its mother at the Madrid zoo.
A one-month-old dolphin named Zeus swims beside its mother, Mancha, at the Madrid Zoo December 17, 2004. Zeus weighed 12 kilos and measured 90 centimetres long when born on November 4, and is expected to nearly double its weight in its first two months of life. NO RIGHTS CLEARANCES OR PERMISSIONS ARE REQUIRED FOR THIS IMAGE. REUTERS/Paul Hanna PH