Common Frog (Rana temporaria) resting at water surface, view of eyes and mouth, Oxfordshire, UK

animals horizontal frog anura frogs frog temporaria aquatic vertebrate amphibian ectotherms developed country uk ectothermic europe aquatic water amphibians pond united kingdom amphibia eyes zoology developed countries tailless water european ectotherm europe fauna horizontals wildlife frog cold amphibian insectivores insectivora insectivore mouth resting british england cold blooded pond uk surface vertebrates britain blooded wetland amphibious wetlands english rana oxfordshire ranidae ponds animal animal