collective nouns

A collective noun is a common noun that names a group of people, creatures, or objects. Did you know there are around 200 collective nouns in English?

A "simple" grammar rule for you: According to Grammarly,

How do you know whether a collective noun should be singular or plural?

Collective nouns are singular in form but plural in meaning. In American English, they are usually treated as singular and followed by a singular verb. However, many of them can be treated as plural in contexts where the emphasis is on the individual members or components of a group rather than on the group as a whole. In British English, collective nouns are much more frequently treated as plural.

And a few more:

Mammals

• Apes: a shrewdness
• Badgers: a cete
• Bears: a sloth or sleuth
• Camels: a caravan or train
• Cats: a clowder
• Dogs: a pack
• Dolphins: a pod
• Elephants: a herd or parade
• Ferrets: a business
• Giraffes: a tower
• Hippopotamuses: a bloat or thunder
• Kangaroos: a mob or troop
• Lions: a pride
• Monkeys: a troop or barrel
• Rhinoceroses: a crash
• Tigers: an ambush or streak
• Whales: a pod or herd
• Wolves: a pack 
  

Birds 

• Crows: a murder
• Eagles: a convocation
• Flock: a generic term for birds
• Geese: a gaggle or skein
• Owls: a parliament 

Insects

• Ants: a colony or army
• Bees: a swarm or hive
• Hornets: a nest 
  

Other animals

• Crocodiles: a bask
• Fish: a school or shoal
• Frogs: an army
• Jellyfish: a smack or fluther
• Squirrels: a dray or scurry 

And after all this, if you're still wanting more information on collective nouns, check out this article on The Fascinating History of Collective Nouns.

Have a good day, y'all! (Is that a collective pronoun?)