The sun was shining brightly in the sky

making it one of the largest ceratopsians

which were neither dinosaurs nor mammals

así como para defenderse de otros depredadores

Ambulocetus natans Carcharodontosaurus The sun was shining brightlyAmbulocetus natans was an extinct species of mammal that lived during the Eocene period, approximately 49 48 million years ago. The name "Ambulocetus natans" comes from Latin and translates as "walking whale" due to its ability to move both on land and in water. This mammal is an example of the mesonychians, a group of semi aquatic carnivores thought to be related to the ancestors of modern whales. Ambulocetus was characterized as a semi aquatic