heronry
noun
her·on·ry ˈher-ən-rē 
ˈhe-rən-
plural heronries
: a heron rookery
Example Sentences
Recent Examples on the Web Explore the Cuyahoga Valley National Park beaver marsh and Bath Road heronry 10 a.m. to 2 p.m. Saturday, April 7. 
Joan Rusek, cleveland.com, 1 Apr. 2018 The young herons leave the nests by July and either stay near their parents or head out to live at one of the other heronry areas in the national park, such as Piney Narrows or the Wetmore Trail area. Jennifer Conn, Akron Reporter, cleveland.com, 15 Feb. 2018
Joan Rusek, cleveland.com, 1 Apr. 2018 The young herons leave the nests by July and either stay near their parents or head out to live at one of the other heronry areas in the national park, such as Piney Narrows or the Wetmore Trail area. Jennifer Conn, Akron Reporter, cleveland.com, 15 Feb. 2018 Word History
First Known Use
1600, in the meaning defined above