List of fauna of the Lower Colorado River Valley

This is a list of fauna of the Lower Colorado River Valley in the southwestern United States.

Birds
• Abert's towhee

• Black rail

• Black-tailed gnatcatcher

• Black-throated sparrow

• Brown-crested flycatcher

• Cactus wren

• Crissal thrasher

• Curve-billed thrasher

• Gambel's quail

• Gila woodpecker

• Gilded flicker

• Greater roadrunner

• Killdeer

• Le Conte's thrasher

• Lesser nighthawk

• Loggerhead shrike

• Lucy's warbler

• Mourning dove

• Phainopepla

• Yuma rail

• Vermilion flycatcher

• Yellow-headed blackbird

Insects/arthropods/etc.
• Africanized bee

• Velvet ant

• Scorpion

• Tarantula

• Tarantula hawk, a spider wasp

Lepidoptera

 * Yucca moth

Mammals
• Black-tailed jackrabbit

• Bobcat

• Collared peccary

• Cotton rat

• Cougar, puma or mountain lion

• Desert bighorn sheep

• Desert woodrat

• Groundhog

• Kit fox

• Mule deer

• Muskrat

• Pack rat

• Pronghorn

Lizards
• Chuckwalla

• Common collared lizard

• Common side-blotched lizard

• Desert horned lizard

• Desert iguana–(?)

• Five-lined skink

• Fringe-toed lizard

• Gecko

• Granite spiny lizard

• Western fence lizard

Snakes
• Arizona mountain king snake

• California kingsnake

• Colorado Desert sidewinder

• Desert kingsnake

• Garter snake

• Mojave Desert sidewinder

• Mojave rattlesnake

• Racer

• Rosy boa

• Western diamondback rattlesnake

Tortoises

 * Desert tortoise