Green iguana (iguana iguana) captive, south africa

horizontals green endothermic animals captive ungulate horizontal south cold blooded reptilia wildlife savannas africa grassland gnus connochaetes insectivores reptiles eyes vertebrate horned endotherm carnivore reptile mammal insectivore even lizards ectotherms warm blooded insectivorous artiodactyla squamata herbivora iguana carnivores warm gnu ectothermic vertebrates ungulates grasslands iguanidae grazer blooded scaled mammals eye carnivorous nature taurinus herbivores mammalia close up iguanas african wildebeests savanna bovidae wildebeest zoology hoofed lizard migratory toed herbivore ectotherm grass fauna animal