Reptile species Identification

4 principal groups  Lizards and snakes  Crocodilians  turtles

Reptiles vs. amphibians  Reptiles have dry, scaly skin (resist desiccation)  Lay their eggs on land  Efficient circulatory (4 chambered heart)  Lungs are better developed (skeletal intact)  Nervous system more advanced

Good swimmers  Take to or live in water  Fold their legs instead of using them to paddle-propels using tail

2 categories of reptiles  Carnivores and omnivores  Crocodilians and snakes are carnivores, while turtles are omnivores

thermoregulation  Hibernation

Turtle species  Protective shell  Lack teeth-have a sharp break  Most are herbivorous, but some such as snapping turtles are carnivorous  Some eat insects, mollusk, worms, and raw meat

Common snapping turtle

stinkpot

Three-toed box turtle

Texas map turtle

Red-eared turtle

Southern painted

Chicken turtle

Atlantic ridley

Gulf coast spiny softshell

crocodilians  Alligators and crocs

American crocodile

American alligator

Spectacled caiman

Texas banded gecko

Green anole

Collared lizard

Tx earless lizard

Crevice spiny lizard

Desert side-blotched lizard

Texas horned lizard

Six-lined racerunner

Great plains skink

Slender glass lizard

Snake species  Find your example