Eight reptiles that occur on North Padre Island a Eretmochelys imbricata (Hawksbill sea turtle) b Chelydra serpentina (common snapping turtle) c Malaclemys terrapin (diamondback terrapin) d Trachemys scripta (pond slider) e Ophisaurus attenuatus (slender glass lizard) f Hemidactylus turcicus (Mediterranean house gecko) g Holbrookia propinqua (keeled earless lizard) h Phrynosoma cornutum (Texas horned lizard; photograph by Jerry Batey).