Groups
A Congress of Baboons
An Exaltation of Doves
A Flock of Chickens
A Gaggle of Geese
A Herd of Cows
A Herd of Elephants
A Murder of Crows (as well as their cousins the rooks and ravens)
A Parliament of Owls
A Pride of Lions
A School of Fish
 

Sounds
An ass brays
A cat meows
A cow moos
A dog barks
A lion roars
An owl hoots
A snake hisses

Others
A pale of cotton