Summary:
- Reptiles can be found on every continent except Antarctica.
- Many turtles live in the ocean, while others live in freshwater or on land.
- Lizards are all terrestrial, but their habitats may range from deserts to rainforests.
- Large reptiles such as crocodilians are the top predators in their ecosystems, preying on birds, fish, deer, turtles, and sometimes domestic livestock.
- Some species of reptiles, especially marine reptiles, are at risk of extinction.
- Some are threatened by habitat loss.