Heronry

thumb|Heronry in Stanley Park, Vancouver, British Columbia, [[Canada.]] thumb|Heronry at Carp Hills, Ottawa, Canada A heronry, sometimes called a heron rookery, is a breeding ground for herons.

==Notable heronries== Although their breeding territories are often on more protected small islands in lakes or retention ponds, herons breed in heronries (or also called rookeries, especially since other birds join them like spoonbills, storks, and cormorants). Some of the notable heronries are: