We've had hundreds of requests recently, so it may take a while. Vertebrates Vertebrates are animals that have a backbone. Vertebrates evolved during the Cambrian period, over 530 million years ago. Other vertebrates include amphibians, reptiles, birds, and mammals. Kingdom Metazoa, Phylum Chordata, Subphylum Vertebrata.
Fish Fish live in the water and breathe with gills.
Reptiles Reptiles are scaly animals, like snakes, lizards, crocodilians, and turtles. Mammals Mammals are animals that have hair and nourish their young with milk. Birds Birds are animals with feathers, two wings, and a bill. Biomes Click on a letter to go to that page of animal printouts. We've had hundreds of requests recently, so it may take a while.