I thought this list may be of some use.
alligators = congregation
antelope = herd
ants = nest, army, colony, swarm
apes = troop, shrewdness
baboons = troop
badgers = cete
barracuda = battery
bears = sloth, sleuth
beavers = family, colony
bees = grist, swarm, nest, hive
boars = sounder, singular
buffalo = herd, troop, gang, obstinancy
butterflies = flutter
buzzards = wake
camels = train, caravan, flock
caribou = herd
cats = clowder, cluster, glaring, pounce
caterpillars = army
cattle = drove, herd
chickens = brood, peep
cockroaches = intrusion
cormorants = gulp
cows = kine
crocodiles = bask, float
crows = murder
deer = herd
dogs = pack
donkeys = pace, herd, drove
doves = arc, dule, flight, pitying
ducks = paddling, flock, raft
eagles = eerie, convocation
eels = bed, swarm
elephants = herd, memory
elks = gang, herd
emus = mob
ferrets = business
finches = charm
fish = school, shoal, haul, catch
flamingos = stand, flamboyance
flies = swarm, cloud, business
foxes = leash, skulk, troop
frogs = army
geese = gaggle, skein
giraffes = herd, corps, tower
gnats = swarm, cloud, horde
goats = flock, herd, tribe, trip
goldfish = troubling
gorillas = band, troop
grasshoppers = cloud
gulls = colony
hares = down, husk
hawks = boil, cast, kettle
herons = sedge, siege
hippos = bloat
horses = herd, band, string, team, stable
hounds = mute, brace, pack
hyenas = cackle
jays = band, party, scold
jellyfish = smack, brood
kangaroo = mob, herd, troop
larks = exaltation
leopards = leap
lions = pride
lizards = lounge
mice = nest
moles = labor
monkeys = barrel
moose = herd
mules = barren, span
otters = romp
oxen = team, yoke, drove
owls = parliament
oysters = bed
parrots = company, pandemonium
peacocks = ostentation, pride
pelicans = pod
penguins = rookery, colony
pheasants = bouquet, nye
pigs = drift, drove, sounder
porcupines = prickle
porpoises = school, crowd, shoal
prairie dogs = coterie
quail = bevy, covey
rabbits = nest, warren
raccoons = gaze
rattlesnakes = rhumba
ravens = unkindness
rhinoceroses = crash
sardines = family
seabirds = wreck
seals = pod, rookery
sharks = school, shoal
sheep = flock, pack, hurtle
snakes = bed, knot, den, pit
sparrows = host
spiders = clutter
squirrels = dray, scurry
starlings = chattering, murmuration
storks = mustering
swallows = flight
swans = bevy, herd, bank, wedge, flight
swine = sounder, drift, herd
tigers = ambush, streak
toads = nest, knot
trout = hover
turkeys = rafter
turtles = bale, dole
walruses = pod, herd
weasels = pack, colony
whales = school, pod, mob, gam
wolves = pack, rout
wombats = wisdom
woodpeckers = descent
zebras = herd, zeal