buffalo, armadillo, hippo, rhino, bongo, bronco, burro, cockatoo, cuckoo, dodo, dingo, drongo, flamingo, gecko, guanaco, hoiho, junco, kakapo, kangaroo, koodoo, lobo, mosquito, perro (dog in spanish)
ram
polecat
Koala is an animal that is four letters long and ends with "oa."
oogie
Brook.
boo Some words that end in "oo" are igloo, goo, poo, and too.
louse
OO
The Kalamazoo River.
There are hundreds of animals that end with the letters -er. Hamster and anteater are two animals that end in -er.
an owl makes and "oo" sound. But so does a monkey.
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