closeup view of small turtles.

360 air amniotes amphibian animal birds breathe case characterized closeup continents crocodile cryptodira developed differ divided eggs extinct fish found freshwater frog groups head hidden including islands land-dwelling lay like live living lizard major mammals modern necked ocean order pleurodira reptile reptiles retracts ribs sea serpent shell side small snake special species terrapins testudines tortoise tortoises trutles turtle turtles two underwater view water wildlife