Here is a list of different animals that start with the letter R.

Rabbit

Raccoon

Raccoon Dog

Racer Snake

Radiated Tortoise

Ragamuffin

Ragdoll

Raggle

Rainbow Boa

Rainbow Grasshopper (Dactylotum bicolor)

Rainbow Kribs (Kribensis)

Rainbow Shark
Rat

Rat Snakes

Rat Terrier

Rattlesnake

Red Ackie Monitor

Red Aphids

Red Deer

Red Diamondback Rattlesnake

Red Drum Fish

Red Finch

Red Fox

Red Kite

Red Knee Tarantula

Red Nose Pit Bull

Red Panda

Red Paper Wasp

Red Racer Snake

Red Spitting Cobra

Red Squirrel

Red Star Chicken

Red Tail Boa (common boa)

Red Wolf

Red-Bellied Black Snake

Red-Bellied Woodpecker

Red-Billed Quelea Bird

Red-Eared Slider

Red-Eyed Tree Frog

Red-Footed Tortoise

Red-handed Tamarin

Red-Headed Vulture

Red-Lipped Batfish

Red-Shouldered Hawk

Red-Tailed Cuckoo Bumblebee

Red-winged blackbird

Redback Spider

Redbone Coonhound

Redcap Chicken

Redhump Eartheater

Redstart

Redtail Catfish

Reef Shark

Regal Jumping Spider

Reindeer

Repenomamus

Reticulated python

Rex Rabbit

Rhamphosuchus

Rhea

Rhesus Macaque

Rhino Beetle

Rhino Viper

Rhinoceros

Rhode Island Red Chicken

Rhodesian Ridgeback

Rhombic Egg-Eater Snake

Ribbon Eel

Ribbon Snake

Rim Rock Crowned Snake

Ring-billed Gull

Ringed Kingfisher

Rinkhals Snake

River Otter

River Turtle

Roadrunner

Robber Flies

Robin

Rock Bass

Rock Crab

Rock Hyrax

Rock Python

Rockfish

Rockhopper Penguin

Rodents

Roe Deer

Rooster

Root Aphids

Rose-Breasted Grosbeak

Roseate Spoonbill

Rosy Boa

Rotterman

Rottle

Rottsky

Rottweiler

Rottweiler Mix

Rough Earth Snake

Rough Green Snake

Rough-Legged Hawk (Rough-Legged Buzzard)

Rove Beetle

Royal Penguin

Rubber Boa

Ruby-Crowned Kinglet

Ruby-Throated Hummingbird

Ruddy Turnstone

Rufous Hummingbird

Russel’s Viper

Russell Terrier

Russian Bear Dog

Russian Blue

Russian Tortoise