Below are the words that matched your query...
Rattus Norvegicus
- common domestic rat; serious pest worldwide
Rattus Rattus
- common household pest originally from Asia that has spread worldwide
Richardson Ground Squirrel
- of sagebrush and grassland areas of western United States and Canada
Rhinoceros Antiquitatis
- extinct thick-haired species of arctic regions
Rocky Mountain Bighorn
- wild sheep of mountainous regions of western North America having massive curled horns
Rocky Mountain Sheep
- wild sheep of mountainous regions of western North America having massive curled horns
Rocky Mountain Goat
- sure-footed mammal of mountainous northwestern North America
Rupicapra Rupicapra
- hoofed mammal of mountains of Eurasia having upright horns with backward-hooked tips