What Is a Group of Crows Called? Murder, Mob, and More

By: Nico Avelle  | 
crows
This species has garnered some poetic names over the last several hundred years. Japans Fireworks / Shutterstock

If you've ever spotted a bunch of crows flying or gathering in your yard, you might wonder: What is a group of crows called? The answer is surprisingly poetic and a bit eerie: It's called a murder.

This unusual collective noun isn't just for flair. It comes from a long tradition of assigning colorful names to groups of animals, many of which date back to the Late Middle Ages.

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Why Do We Say 'Murder of Crows'?

crow
How does this monochrome bird look so wise and sharp-witted without actually doing anything? Rudmer Zwerver / Shutterstock

The term "murder of crows" likely has its origins in folklore and literature. Crows have long been associated with death, battlefields and the supernatural. Their black feathers, harsh calls and intelligence made them both respected and feared.

In folklore, crows were even said to hold courts to judge wrongdoers, and their presence was seen as an omen of death.

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Calling a group of crows a murder plays into that lore, though it's more poetic than scientific. You might also hear less dramatic terms like "flock" or "mob" used, especially in ornithology or bird-watching circles.

Do People Really Say 'Murder of Crows'?

birds
Whether you call it a murder, a mob, or a flock, it sure does look foreboding. Joel Askey / Shutterstock

In daily life, most people say "a group of crows" or "a flock of birds." Scientists and birders often avoid poetic terms for clarity.

But collective nouns like murder, mob or conspiracy still pop up in books, museums, and bird-related content.

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If you hear a commotion of crows outside your house in the morning, it might sound like chaos, and you can feel thematically cool by saying it's a murder.

13 Other Collective Nouns for Animals

English has dozens of strange and wonderful words to describe groups of animals:

  1. A gaggle of geese (on land)
  2. A skein of geese (in flight)
  3. A parliament of owls
  4. An unkindness of ravens
  5. A conspiracy of lemurs (yes, really)
  6. A wake of vultures (when feeding)
  7. A siege of herons
  8. A descent of woodpeckers
  9. A murder of crows
  10. A charm of finches
  11. A scold of jays
  12. A mischief of magpies
  13. A trembling of finches

Many of these terms were published in hunting guides or social manuals as a form of aristocratic wordplay. Few people use them today outside trivia nights, but they remain a fascinating bit of language history.

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We created this article in conjunction with AI technology, then made sure it was fact-checked and edited by a HowStuffWorks editor.

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