Heronry vs. Rookery — What's the Difference?

A heronry, sometimes called a heron rookery, is a breeding ground for herons.

A rookery is a colony of breeding animals, generally birds. A rookery is generally reserved for a colony of gregarious birds.While the term rookery may have come from the nesting habits of rooks, it is not reserved for corvids.

A place where herons nest and breed.

A breeding colony of rooks, typically seen as a collection of nests high in a clump of trees.

A breeding woodland for herons; a heron rookery.

A dense collection of housing, especially in a slum area

A place where herons breed.

A place where large numbers of rooks or certain seabirds or marine animals, such as penguins or seals, nest or breed.

A breeding ground for herons; a heron rookery

A colony of such animals.

(Informal) A crowded and dilapidated tenement or area.

A colony of breeding birds or other animals.

(by extension) A crowded tenement.

A place where criminals congregate, often an area of a town or city.

That part of the barracks occupied by subalterns.

The breeding place of a colony of rooks; also, the birds themselves.

A breeding place of other gregarious birds, as of herons, penguins, etc.

The breeding ground of seals, esp. of the fur seals.

A dilapidated building with many rooms and occupants; a cluster of dilapidated or mean buildings.

A brothel.

A breeding ground for gregarious birds (such as rooks)