zebra mussel, rainbow smelt, burbot, mosquitofish, pupfish, loosestrife, sticklebacks, cutthroat trout, africanized bee, leopard frog, alga, milfoil, mussels, ruffe, protozoan, pocket gopher, tadpole shrimp, aphid, trematodes, fairy shrimp, northern snakehead, tiger salamander, adelgid, species, comb jelly, cohos, stonefly, mealybug, biting midge, platypuses, squawfish, grass carp, rainbow trout, mytilus, whiteflies, weevils, lampreys, springtails, sauger, nematode, salmonid, plover, ambystoma, kokanee, gambusia, chinook salmon, periodical cicada, hellbender, woolly adelgid, steelhead, bufo, desert tortoise, woodrat, purple loosestrife, tamarisk, ladybird beetle, bull trout, green alga, coho salmon, otters, lake trout, kangaroo rat, caecilians, brook trout, tunicates, gobies, parasite, brine shrimp, blacktail deer, african clawed frog, muskellunge, mantids, parasitoid, culex, massasauga, shovelnose, cichlid, klipspringer, blister rust, bullhead, katipo, diamondback terrapin, brown trout, salvinia, aedes albopictus, bighorn, eared grebe, itch mite, vole, diamondbacks, sturgeons, pronghorn, subadult, stoat, medfly, cheatgrass, americanus, lake whitefish, aedes, damselfly, ectoparasites, guanacos, antelope, buffalo, rhinoceros, native, rhino, antelopes, bee, bees, bison, cricket, deer, dolphins, hare, moose, partridges, snipe, vulture, zebra, aboriginals, aborigines, curried, piebald, alligator, aurochs, beaver, boar, buffaloe, camel, cougar, crocodile, dappled, donkey, dun, elk, flayed, grizzly

equid, equine

equus quagga