Join us as we uncover the top 20 most scaly animals on American soil.
1. Eastern Diamondback Rattlesnake (Crotalus adamanteus)
![Eastern diamondback rattlesnake (Crotalus adamanteus)](https://www.animalsaroundtheglobe.com/wp-content/uploads/2023/12/Depositphotos_56661627_XL-1200x800.jpg)
The largest rattlesnake species in North America. Furthermore, they are found in the southeastern United States.
2. Western Diamondback Rattlesnake (Crotalus atrox)
![Western Diamond snake](https://www.animalsaroundtheglobe.com/wp-content/uploads/2022/05/Crotalus_atrox_diamantklapperschlange_kopf.jpg)
Common in the southwestern United States, known for its distinctive diamond-shaped pattern.
3. Copperhead (Agkistrodon contortrix)
![Copperhead](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/03/Copperhead-1-1200x800.jpg)
They are found in the eastern United States. Moreover, they have a copper-colored head and hourglass pattern on its body.
4. Cottonmouth (Water Moccasin) (Agkistrodon piscivorus)
![cottonmouth](https://www.animalsaroundtheglobe.com/wp-content/uploads/2023/05/Depositphotos_128542554_L-1200x800.jpg)
A venomous semi-aquatic snake found in the southeastern United States.
5. Garter Snake (Thamnophis spp.)
![Eastern Garter Snake](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/01/Eastern-Garter-Snake-1200x800.jpg)
Common throughout North America. They are non-venomous and are found in gardens and near water sources.
6. Coral Snake (Micrurus spp.)
![Coral Snake](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/03/Depositphotos_25607273_XL-1200x800.jpg)
They are known for bright coloration and potent venom. Additionally, they are found in the southeastern United States.
7. King Snake (Lampropeltis spp.)
![Lampropeltis Mexicana king snake](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/04/1024px-Lampropeltis_Mexicana_Greeri_16.jpg)
Non-venomous and known for eating other snakes, including venomous ones.
Lizards
8. American Alligator (Alligator mississippiensis)
![Alligator](https://www.animalsaroundtheglobe.com/wp-content/uploads/2022/05/American_Alligator_Alligator_mississippiensis_Chambers_Co._Texas._photo_W._L._Farr.jpg)
Found in the southeastern United States, especially in Florida and Louisiana.
9. American Crocodile (Crocodylus acutus)
![Nile crocodile swollowing fish.](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/04/Depositphotos_5873631_XL-1200x800.jpg)
Primarily found in southern Florida, especially in the Everglades.
10. Gila Monster (Heloderma suspectum)
![](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/03/Depositphotos_31795151_XL-1200x797.jpg)
They are one of the only venomous lizards. Found in the southwestern United States.
11. Eastern Fence Lizard (Sceloporus undulatus)
![Eastern fence lizard](https://www.animalsaroundtheglobe.com/wp-content/uploads/2022/05/Sceloporus_undulatus_in_Guadalupe_Mountains_National_Park.jpg)
Common in the eastern United States. They are known for their rough, spiny scales.
12. Green Anole (Anolis carolinensis)
![Green Anole lizard (Anolis carolinensis) showing off his bright pink dewlap on an iron bench in the garden.](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/03/Depositphotos_391978206_XL-1200x901.jpg)
Native to the southeastern United States. They are also known for their ability to change color.
13. Western Fence Lizard (Sceloporus occidentalis)
![Western Fence Lizard](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/05/Depositphotos_28139163_L-1200x845.jpg)
Common in the western United States, and often seen basking on rocks and fences.
14. Texas Horned Lizard (Phrynosoma cornutum)
![Texas Horned Lizard](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/02/image-82-1200x800.jpg)
Found in the central and southwestern United States. Furthermore, they have distinctive “horns” and ability to squirt blood from its eyes as a defense mechanism.
Turtles
15. Snapping Turtle (Chelydra serpentina)
![Alligator snapping turtle](https://www.animalsaroundtheglobe.com/wp-content/uploads/2022/05/Alligator_snapping_turtle_-_Geierschildkrote_-_Alligatorschildkrote_-_Macrochelys_temminckii_01.jpg)
Located throughout North America. Additionally, they are aggressive in nature and have powerful beak-like jaws.
16. Eastern Box Turtle (Terrapene carolina carolina)
![](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/01/Eastern_Box_Turtle_Terrapene_carolina_carolina_-_Fairfax_-_02-1200x847.jpeg)
A land-dwelling turtle found in the eastern United States. They have a domed shell.
17. Red-Eared Slider (Trachemys scripta elegans)
![Red-Eared Slider](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/05/Depositphotos_128792134_L-1200x802.jpg)
Common in ponds and slow-moving rivers throughout the United States.
18. Painted Turtle (Chrysemys picta)
![](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/03/Depositphotos_2398435_XL-1200x800.jpg)
Found throughout North America. They have distinctive colorful markings.
19. Desert Tortoise (Gopherus agassizii)
![](https://www.animalsaroundtheglobe.com/wp-content/uploads/2023/10/Depositphotos_61475257_XL-1200x845.jpg)
Native to the deserts of the southwestern United States, known for its high-domed shell and burrowing behavior.
Amphibians with Scaley Appearance
20. Hellbender (Cryptobranchus alleganiensis)
![Hellbender](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/05/Depositphotos_170780672_L-1200x800.jpg)
A large salamander found in the eastern United States. Additionally, they have wrinkly, scale-like skin.
Overall, these animals highlight the diversity of reptiles and amphibians across various habitats in the United States.
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