A pride of lions, a murder of crows, a crash of rhinos, and every other collective noun for animals. This is a listing of every animal congregation I could find after scouring the web. If you see any missing, let me know. Note: Wikipedia has a more complete and scholarly list of names here.
Animal Collective Nouns Animal | Group Name | Albatross | Rookery | Alligators | Congregation | Apes | Shrewdness, Troop | Antelope | Herd | Ants | Colony, Army, Swarm, Nest | Asses | Pace, Herd, Drove | Auks | Colony, Flock, Raft | Baboons | Troop, Flange | Bacteria | Culture | Badgers | Cete, Colony, Set, Company | Barracudas | Battery | Bats | Colony, Cloud | Bass | Shoal | Bears (General) | Sloth, Sleuth | Bears (Cubs) | Litter | Beavers | Colony, Family | Bees | Grist, Hive, Swarm, Nest | Birds (Chicks) | Brood, Clutch | Birds (Flight) | Flight | Birds (Game) | Volary, Brace, Plump, Knob | Birds (Ground) | Flock, Dissimulation | Birds (Sea) | Wreck | Bison | Herd | Bitterns | Sedge, Seige | Bloodhounds | Sute | Bobolinks | Chain | Buffalo | Herd, Troop, Gang, Obstinancy | Bullfinches | Bellowing | Bullocks | Drove | Butterflies | Flight, Flutter, (Many more) | Buzzards | Wake | Camels | Caravan, Train, Flock | Capons | Mews | Caribou | Herd | Caterpillars | Army | Cats (General) | Clowder, Clutter, Pounce, Dout, Nuisance, Glorying, Glare | Cats (Kittens) | Kindle, Litter, Intrigue | Cats (Wild) | Destruction | Cattle | Drove, Herd, Team | Cheetahs | Coalition | Chickens (General) | Brood, Peep | Chickens (Chicks) | Clutch, Chattering | Chinchilla | Colony | Choughs | Clattering | Clams | Bed | Cobras | Quiver | Cockroaches | Intrusion | Cod | Lap | Coots | Cover, Raft | Cormorants | Gulp | Cows | Kine | Coyotes | Band | Crabs | Cast | Cranes | Sedge, Seige | Crocodiles | Bask, Float | Crows | Murder, Horde, Parcel, Storytelling | Curlews | Herd | Deer (General) | Herd, Leash, Gang | Deer (Buck) | Brace, Clash | Deer (Roe) | Bevy | Dogs (General) | Kennel | Dogs (Curs) | Cowardice | Dogs (Hounds) | Cry, Mute, Pack | Dogs (Puppies) | Litter | Dogs (Wild) | Pack | Dolphins | Pod | Donkeys | Drove, Pace, Herd | Dotterel | Trip | Doves (General) | Dule, Bevy, Cote, Dole, Paddling | Doves (Turtle) | Pitying, Piteousness | Ducks (Flight) | Flock | Ducks (Ground) | Brace, badling | Ducks (Water) | Raft, Team, Paddling | Dunlins | Fling | Eagles | Convocation, Aerie | Eels | Swarm, Bed, Fry | Elephants | Herd, Memory | Elk | Gang, Herd | Emus | Mob | Falcons | Cast | Ferrets | Business, Cast, Fesnying | Finches | Charm | Fish (General) | Draft, Nest, Shoal, School ("school" is possibly a corruption of shoal) | Fish (Caught) | Catch, Drought, Haul | Flamingoes | Stand, Flamboyance | Flies | Business, Swarm, Cloud | Frogs | Army, Colony, Knot | Fox | Leash, Skulk, Earth, Lead, Troop | Geese (General) | Flock | Geese (Flight) | Skein | Geese (Ground) | Gaggle, Herd, Corps | Giraffes | Tower | Gnats | Cloud, Horde, Swarm | Gnus | Implausibility | Goats | Tribe, Trip, Drove, Herd, Flock | Goldfinches | Charm | Goldfish | Glint, Troubling | Gorillas | Band, Troop | Goshawks | Flight | Grasshoppers | Cloud | Greyhounds | Leash | Grouse | Pack, Covey | Guillemots | Bazaar | Gulls | Colony, Screech | Guinea Fowl | Confusion | Hawks (General) | Cast | Hawks (Flight) | Kettle | Hawks (Spiraling) | Boil | Hedgehogs | Array | Herons | Sedge, Siege, Hedge | Herring | Army, Shoal | Hippopotamuses | Bloat | Hornets | Nest, Bike | Horses (General) | Team, Harras, Stable, Troop, Stud (a group belonging to one owner) | Horses (Colts) | Rag, Rake | Horses (Ponies) | String | Horses (Wild) | Herd | Hummingbirds | Charm | Hyenas | Cackle, Clan | Impalas | Herd | Insects | Horde, Nest, Swarm, Rabble, Plague | Jays | Party, Scold, Band | Jellyfish | Smack, Brood | Kangaroos | Troop, Mob, Herd | Lapwings | Deceit | Larks | Exaltation, Ascension | Leopards | Leap | Lice | Flock | Lions | Pride, Sault, Troop | Lizards | Lounge | Locusts | Plague | Magpies | Tiding, Gulp, Murder, Charm | Mallards (General) | Brace | Mallards (Flight) | Sord | Martens | Richness | Mice | Mischief | Midges | Bite | Minnows | Shoal, Steam, Swarm | Moles | Labor, Company, Movement | Monkeys | Troop, Barrel, Carload, Cartload, Tribe | Moose | Herd | Mosquitoes | Scourge | Mudhens | Fleet | Mules | Pack, Span, Barren, Rake | Nightingales | Watch | Otters | Romp, Bevy, Family, Raft | Owls | Parliament, Stare | Oxen | Team, Yoke, Drove | Oysters | Bed | Parrots | Company, Pandemonium | Partridge | Covey, Bew | Peacocks | Muster, Ostentation, Pride | Pekingese | Pomp | Pelicans | Pod | Penguins (General) | Colony, Rookery, Huddle | Penguins (Nursery) | Cr�che | Pheasants (General) | Nest, Nye | Pheasants (Brood) | Nide | Pheasants (Take-Off) | Bouquet | Pigeons | Flight, Flock, Kit | Pigs (General) | Drift, Drove | Pigs (Boars) | Singular, Sounder | Pigs (Hogs) | Team, Passel, Drift, Parcel | Pigs (Piglets) | Litter, Farrow | Pigs (Swine) | Sounder | Pilchards | Shoal | Plovers (General) | Congregation | Plovers (Flight) | Wing | Polecats | Chine | Porcupines | Prickle | Porpoises | Herd, Pod, School, Crowd, Shoal | Prairie Dogs | Coterie | Ptarmigans | Covey | Quail | Bevy, Covey | Rabbits (General) | Colony, Warren, Bury, Trace, Trip | Rabbits (Domestic) | Herd | Rabbits (Hares) | Down, Husk | Rabbits (Jackrabbit) | Husk | Rabbits (Young) | Litter, Nest | Raccoons | Gaze | Rats | Colony, Pack, Plague, Swarm | Rattlesnakes | Rhumba | Ravens | Unkindness, Storytelling | Reindeer | Herd | Rhinoceroses | Crash, Stubbornness | Roebucks | Bevy | Rooks | Building, Clamor, Parliament | Ruffs | Hill | Salamandars | Congress | Salmon | Run | Sandpipers | Fling | Sardines | Family | Scorpions | Bed, Nest | Seabirds | Wreck | Seals | Pod, Bob, Harem, Herd, Rookery | Sharks | Shiver, School, Shoal | Sheep | Drove, Flock, Down, Hurtle, Fold, Pack, Trip | Sheldrakes | Doading | Skylarks | Exultation | Snails | Escargatoire, Rout, Walk | Snakes | Den, Nest, Pit, Bed, Knot | Snipe | Walk, Wisp | Sparrows | Host | Spiders | Cluster, Clutter | Springbok | Herd | Squirrels | Dray, Scurry | Starlings | Murmuration, Chattering | Stingrays | Fever | Stoats | Pack, Trip | Storks | Mustering, Muster | Swallows | Flight, Gulp | Swans (General) | Bevy, Bank, Herd | Swans (Flight) | Wedge, Flight | Swifts | Flock | Teal | Spring | Termites | Colony, Nest, Swarm, Brood | Thrush | Mutation | Tigers | Streak, Ambush | Toads | Knot, Knab, Nest | Trout | Hover | Turkeys | Rafter, Gang, Posse | Turtles | Bale, Nest, Turn, Dole | Turtle Doves | Pitying, Dule | Vipers | Generation, Nest | Vultures | Venue | Vultures (Circling) | Kettle | Walruses | Herd, Pod | Wasps | Nest, Swarm | Waterfowl | Knob, Plump | Weasles | Gang, Colony, Pack | Whales | Pod, Gam, Herd, School, Mod | Widgeons | Company | Wildfowl | Plump | Wolves (General) | Pack | Wolves (Moving) | Route, Rout | Wombats | Wisdom | Woodcocks | Fall | Woodpeckers | Descent | Worms | Bed, Clew, Bunch, Clat | Wrens | Herd | Zebras | Zeal, Crossing, Dazzle, Cohorts, Herd | Another animal group that you may consider is a nag of wives and a jerk of husbands. |