yowl

nouns

a very loud utterance (like the sound of an animal)
"his bellow filled the hallway"
bellow, bellowing, holla, holler, hollering, hollo, holloa, roar, roaring, yowl

verbs

cry loudly, as of animals
"The coyotes were howling in the desert"
howl, wrawl, yammer, yowl
utter shrieks, as of cats
caterwaul, yowl