Gila Monster inhabits southwestern U.S. and Mexico. It's multicoloured. 2ft, 4lb Gila monsters. Gila scales discourage predators. Predators avoid poisonous Gila monsters. Reduced Gila monster habitat.

Gila Monster

The Americas have green iguanas. It helps them blend in. Iguana scales are useful. Strong scales keep predators away. Small, flexible scales help iguanas climb. Iguanas have climbing claws.

Green Iguana

Little black-and-white woodpeckers live in forests. They have short bills and spheres. 6-7 inches length, 1 oz. Downy Woodpeckers eat tree bark. They grasp the tree trunk with foot scales. Scales protect the downy woodpecker.

Downy Woodpecker

Lakes and rivers have carp. Long, barrel-shaped body. Scales protect and propel carp. Scales prevent predation and environmental damage. Invading species compete with native fish for food and habitat.

 Common Carp

Goldfish range in size from a few inches to 18 inches. Easy-to-care-for goldfish are popular pets. Scales protect against predators and the environment. They keep fish warm and protect them from parasites.

Goldfish

Moths are little to medium-sized, U.S.-wide insects. Scaly wings help them fly. Moths consume nectar from flowers using their lengthy mouths. Pests like the gypsy moth can destroy crops and plants.

Moths

The Eastern diamondback rattlesnake is venomous and large. Eastern diamondbacks have diamond-shaped patterns and triangular heads. Hollow fangs inject poison. Eastern diamondback rattlesnakes warn predators.

Rattlesnake

Southeast alligators live there. Greenish-black, scaly skin covers alligators. Their muscles help them swim. Scales protect alligators. Skin and scales protect against teeth and claws.

Alligators

Small to medium-sized American armadillos. Armadillos protect themselves using their scales. The three-banded armadillo uses its scales as defence when threatened. Only the nine-banded armadillo lives in the U.S.

Armadillo

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