Mammals:
* Ungulates (hoofed animals):
* Cattle: Cows, bulls, steers
* Sheep: Merino, Suffolk, Dorset
* Goats: Angora, Boer, Nubian
* Horses: Arabian, Thoroughbred, Quarter Horse
* Donkeys: American Mammoth, Miniature, Standard
* Deer: White-tailed deer, mule deer, elk
* Antelope: Pronghorn, Saiga, Springbok
* Gazelle: Thomson's gazelle, Grant's gazelle, Dorcas gazelle
* Zebra: Plains zebra, Grevy's zebra, Mountain zebra
* Buffalo: American bison, African buffalo
* Giraffe: Reticulated giraffe, Masai giraffe, Rothschild's giraffe
* Hippopotamus: Common hippopotamus
* Rodents:
* Rabbits: European rabbit, Black-tailed jackrabbit
* Hares: Snowshoe hare, Arctic hare
* Guinea pigs: American, Abyssinian, Peruvian
* Other mammals:
* Kangaroos: Red kangaroo, Grey kangaroo
* Sloths: Two-toed sloth, Three-toed sloth
Birds:
* Ostriches: The largest bird species
* Emus: Second largest bird species
* Rheas: South American flightless birds
* Geese: Canada goose, Greylag goose
* Ducks: Mallard, Muscovy duck
Reptiles:
* Iguanas: Green iguana, Marine iguana
* Tortoises: Galapagos giant tortoise, African spurred tortoise
Insects:
* Grasshoppers: Locusts, crickets
* Caterpillars: Some species feed on grass
Note: This is not an exhaustive list, and there are many other animals that graze to some extent. The categorization of an animal as a grazer can depend on the specific species and its diet.