What Animals Form a Parliament?
A word borrowed straight from government, given to two birds whose gatherings sound like a debate nobody’s winning.
Which Animals Form a Parliament?
“Parliament” describes owls and rooks. It’s one of the rare cases where two unrelated birds share a term for almost entirely unrelated reasons — the overlap is coincidental, not a sign of shared tradition.
Where Does “Parliament” Come From?
The word itself comes from Old French parlement, “a speaking,” rooted in parler, “to speak.” It originally meant any formal discussion before narrowing to describe a legislative body.
For rooks, the collective noun is thought to date to the late Middle Ages, likening the loud, back-and-forth cawing of a rook gathering at a shared rookery to the noisy give-and-take of a political assembly — a fairly literal, sound-based association.
For owls, the story is different and much more recent. It isn’t one of the well-documented entries from the 15th-century Book of Saint Albans, the source of classics like “murder” of crows — instead, it’s a later literary coinage that leans on owls’ ancient reputation as symbols of wisdom, an association stretching back to the owl of Athena in Greek mythology. The term gained real popularity through C.S. Lewis’s Narnia books, where “Parliament of Owls” appears as a memorable chapter title.
Parliament of Birds vs. Parliament of Government
Both describe a group that gathers to “discuss” something — that’s the entire joke in both cases, just for different reasons. A government parliament is a formal legislative body that actually deliberates; a parliament of rooks or owls borrows the word because their gatherings look, or in rooks’ case sound, like a debate is underway. It’s a coincidence that both birds ended up with the identical term rather than any shared etymology between them.
Animal-by-Animal Breakdown
Owls: “Parliament” is by far the most recognized collective noun for owls, well beyond word-list trivia — it shows up in children’s books, fantasy fiction, and everyday conversation. Owls are also occasionally called a stare (specifically when perched together) or a wisdom. Read the full Parliament of Owls entry for more.
Rooks: “Parliament” is the most iconic and widely cited term for rooks too, evoking their noisy, seemingly deliberative gatherings. Building specifically refers to their communal nest-construction at a shared rookery, and clamour simply describes the sheer volume of it all.
🧠 Test Your Knowledge
Three quick questions. See what stuck.1. Which two birds share the collective noun “parliament”?
2. What popularized “parliament of owls” as a term?
3. Why are rooks called a parliament?
Frequently Asked Questions
What animals form a parliament?
Owls and rooks are both described as a parliament, though the two birds earned the term independently and for different reasons.
Why is a group of owls called a parliament?
It’s a later literary coinage built on owls’ ancient symbolic association with wisdom, popularized by C.S. Lewis’s Narnia books rather than medieval hunting tradition.
Why is a group of rooks called a parliament?
The term likely dates to the late Middle Ages, comparing the loud, back-and-forth cawing of a rook gathering to a noisy political assembly.
Do owls and rooks actually behave alike?
No. Most owl species are solitary hunters, so a real gathering is uncommon. Rooks, by contrast, are highly social and nest in large colonies called rookeries.
Where does the word parliament come from?
From Old French parlement, “a speaking,” rooted in parler, “to speak” — originally any formal discussion before narrowing to mean a legislative body.