Scientists say they have found a 43 million-year-old fossil of a whale ancestor in Egypt.The fossil remains help show how ancestors of modern whales might have moved from living on land to living in water.An Egyptian-led team of researchers made the discovery.The newly found whale belongs to the Protocetidae group.That is a group of ancient whale ancestors that might have lived on land and in the water.The fossil was found in the Fayum Depression in Egypt's Western Desert.The area was once covered by a sea.Scientists have made many discoveries there that have provided more information about the evolution of whales.The new species is named Phiomicetus Anubis.It is estimated to have been three meters long and weighed about 600 kilograms.It fed on other animals, the researchers said.