Friday, April 5, 2019

Great Blue Heron (Ardea Herodias) Rookery

Here are a couple images from last evening at a local Great Blue Heron (Ardea herodias) rookery.

Great Blue Heron (Ardea herodias) building nest
Photo Credit: Paul Cianfaglione
 https://avianmusing.blogspot.com/

Great Blue Herons nest communally in "rookeries" or "heronries" containing up to 50 pair. Herons typically use the same rookery every year until eventually the trees collapse.

Great Blue Heron (Ardea Herodias) building nest
Photo Credit: Paul Cianfaglione
https://avianmusing.blogspot.com/
Great Blue Heron (Ardea Herodias) nest
Photo Credit: Paul Cianfaglione
https://avianmusing.blogspot.com/

The nests are flat platforms made of sticks and lined with moss, pine needles, and other leaf material. The nests are added to each year, eventually becoming very bulky and measuring up to four feet in diameter.

Source: www.massaudubon.org

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