Animal and Creature Group Names

Animal	Name
albatross	rookery
alligators	congregation
angels*	host
antelope	herd
ants	army, colony, nest, swarm
apes	shrewdness, troop
apparitions*	academy
asses	drove, herd, pace
auks	colony, flock, raft
baboons	flange, troop
bacteria	culture
badgers	cete, colony, company, set
banshees*	racket
barracudas	battery
basilisks*	tackle
bass	shoal
bats	cloud, colony
bears (adult)	sleuth, sloth
beavers	colony, family
bees	grist, hive, nest, swarm
behemoths*	spectacle
birds	brace, congregation, dissimulation, flock, volary
bison	herd
bitterns	sedge, siege
bloodhounds	sute
boars	sounder, singular
bobolinks	chain
bucks	brace, clash
buffalo	gang, herd, obstinacy, troop
bullfinches	bellowing
bullocks	drove
butterflies	flight, flutter
buzzards	wake
camels	caravan, flock, train
capons	mews
caribou	herd
caterpillars	army
cats (general)	clowder, clutter, glare, nuisance, pounce
cattle	drove, herd, team
centaurs*	eminence
cheetahs	coalition
cherubim*	compass
chickens	brood, peep
chicks	clutch, chattering
chimerae*	braid
chinchilla	colony
choughs	clattering
clams	bed
cobras	quiver
cockatrices*	cabal
cockroaches	intrusion
cod	lap
colts	rag, rake
coots	cover, raft
cormorants	gulp
cows	kine
coyote	band
crabs	cast
cranes	herd, sedge, siege
crocodiles	bask, float
crows	horde, murder, parcel
cubs	litter
curlews	herd
curs	cowardice
deer	herd, leash
demons*	legion
devils*	bombast
dogs	kennel, litter, pack
dolphins	pod
donkeys	drove, herd, pace
dotterel	trip
doves	bevy, cote, dole, dule, paddling, piteousness
dragons*	dignity
dryads*	brace
ducks (flight)	flock
ducks (ground)	badling, brace
ducks (water)	paddling, raft, team
dunlins	fling
eagles	aerie, convocation
eels	bed, fry, swarm
eggs	clutch
elephant seals (weaner pod = yearling elephant seals)	pod
elephants	herd, memory
elks	gang , herd
emus	mob
falcons	cast
ferrets	business, cast, fesnying
finches	charm
fish	catch, drought, haul, run, school, shoal
flamingoes	flamboyance, stand
flies	business, cloud, swarm
foxes	lead, leash, skulk
frogs	army, colony, knot
gargoyles*	audacity
geese (flight)	skein
geese (ground)	corps, herd, gaggle
ghosts*	congress
ghouls*	shroud
giraffes	tower
gnats	cloud, horde, swarm
gnus	implausibility
goats	drove, herd, tribe, trip
goldfinches	charm
goldfish	glint, troubling
gorillas	band, troop
goshawks	flight
grasshoppers	cloud
greyhounds	leash
griffins*	senate
guillemots	bazaar
guinea fowl	confusion
gulls	colony, screech
hares	down, husk
harpies*	clamor
hawks (flight)	kettle
hawks (general)	cast
hawks (spiraling)	boil
hedgehogs	array
hens	brood
herons	hedge, sedge, siege
herrings	army, shoal
hippopotamuses	bloat
hogs	drift, passel, parcel
hornets	bike, nest
horses (general)	harras, stable, team, troop
horses (wild)	herd
hounds	cry, mute, pack
housecats	clowder, cluster, dout, nuisance
hummingbirds	charm
hyenas	cackle, clan
ifrits*	storm
impalas	herd
insects	horde, nest, plague, rabble, swarm
jackrabbits	husk
jays	band, party, scold
jellyfish	brood, smack
kangaroos	herd, mob, troop
kittens	litter, kindle
lapwings	deceit
larks	ascension, exaultation
leopards	leap, leep, lepe
leprechauns*	indulgence
lice	flock
lions	pride, sault, troop
lizards	lounge
locusts	plague
magpies	charm, gulp, murder, tiding
mallards (flight)	sord
mallards (general)	brace
mares	stud
martens	richness
mermaids*	gossip
mice	mischief
midges	bite
minnows	shoal, steam, swarm
moles	company, labor, movement
monkeys	barrel, carload, cartload, tribe, troop
moose	herd
mosquitoes	scourge
mudhens	fleet
mules	barren, pack, rake, span
naiads*	swell
nightingales	watch
otters	bevy, family, raft, romp
owls	parliament, stare
oxen	drove, herd, team, yoke
oysters	bed
parrots	company, pandemonium
partridges [or grouse or ptarmigans]	covey
peacocks	muster, ostentation, pride
peeps	litter
pekingese	pomp
pelicans	pod
penguins (general)	colony, huddle
penguins (nursery)
pheasants (brood)	nide
pheasants (flushed)	bouquet
pheasants (general)	nest, nye
pigeons	flight, flock, kit
piglets	farrow
pigs	herd, litter, sounder
pilchards	shoal
plovers (flight)	wing
plovers (general)	congregation
polecats	chine
ponies	string
porcupines	prickle
porpoises	crowd, herd, pod, school, shoal
prairie dogs	coterie
pups	litter
quail	bevy, covey
rabbits (young)	nest
rabbits	bury, colony, down, drove, husk, leash, trace, trip
raccoons	gaze
rats	colony, pack, plague, swarm
rattlesnakes	rhumba
ravens	unkindness
reindeer	herd
revenants*	depravity
rhinoceros	crash, stubbornness
roebucks	bevy
rooks	building, clamor, parliment
rooks, ravens, crows	storytelling
ruffs	hill
salmon	run
sandpipers	fling
sardines	family
scorpions	bed, nest
seabirds	wreck
seals	bob, colony, crash, harem, herd, pod, team
seraphim*	glory
sharks	school, shiver, shoal
sheep	down, drove, flock, fold, hurtle, pack, trip
sheldrakes	doading
skeletons*	drudge
skylarks	exultation
snails	escargatoire, rout, walk
snakes	bed, den, knot, nest, pit
snipe	walk, wisp
sparrows	host
sphinxes*	finery
spiders	cluster, clutter
spirits*	penumbra
springbok	herd
sprites*	resolution
squirrels	dray, scurry
starlings	chattering, murmuration
stingrays	fever
stoats	pack, trip
storks	muster, mustering
succubi*	opulence
swallows (or doves, goshawks, or cormorants)	flight, gulp
swans (flight)	flight, wedge
swans (general)	bevy, bank, herd
swifts	flock
swine	drift, sounder
teal	spring
termites	brood, colony, nest, swarm
thrush	mutation
tigers	ambush, streak
titans*	majesty
toads	knab, knot, nest
trolls*	malevolence
trout	hover
turkeys	gang, posse, raft, rafter
turtledoves	dule, pitying
turtles	bale, dole, nest, turn
unicorns*	blessing
valkyries*	cavalry
vipers	generation, nest
vultures (circling)	kettle
vultures (general)	venue
walruses	herd, pod
wasps	nest, swarm
waterfowl	knob, plump
weasels	gang, colony, pack
whales	gam, herd, pod, school
widgeons	company
wild cats	destruction
wildfowl	plump
wolves (general)	pack
wolves (moving)	rout, route
wombats	wisdom
woodcocks	fall
woodpeckers	descent
worms	bed, bunch, clat, clew
wraiths*	degradation
wyverns*	poachment
zebras	cohort, crossing, herd, zeal

*: fantastic creatures

Source: Here, Pointless, and Wondermark