Cow: Moo
Dog: Woof/Bark
Cat: Meow/Purr/Hiss
Duck: Quack
Pig: Oink/Grunt
Sheep/Goat: Baa/Bleat
Horse: Neigh/Whinny
Rooster: Cock-a-doodle-doo
Chicken: Cluck
Donkey: Bray
Lion: Roar
Wolf/Coyote: Howl
Elephant: Trumpet
Monkey/Ape: Chatter/Gibber
Snake: Hiss
Owl: Hoot
Frog: Croak/Ribbit
Bear: Growl
Mouse: Squeak
Seal: Bark