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The great blue heron (Ardea herodias) is a large wading bird in the heron family Ardeidae, common near the shores of open water and in wetlands over most of North and Central America, as well as far northwestern South America, the Caribbean and the Galápagos Islands. It is occasionally found in the Azores and is a rare vagrant to Europe.
Across the river on the north bank is the rookery. Annually, these great birds return to nest. The great blue heron is the largest of the North American heron families. They stand 4 feet (1.2 m) tall and have a wingspan of 7 feet (2.1 m). It is best to visit with a ranger on a guide walk as the birds can be hard to find, high in their nests. [3]
Lake Renwick, because of its location, depth, and the fertility of its fishery, is especially adapted to serve as a breeding location for wading birds. Unlike many Illinois lakes, this body of water has a gravel bottom, not mud. According to the Illinois Audubon Society, the heron rookery located within the lake is "by far the most valuable ...
If you spot a great blue heron, here are some helpful tips for expert bird watching, and a few things you definitely should not do.
The rookery containing up to 50 great blue heron nests in Rochester Township was the reason Olmsted County District Court Judge Pamela King issued a temporary restraining order March 20 pausing ...
A beaver pond along Ellerbe Creek is home to a thriving population of great blue herons and egrets. One day a road could cut through it. State proposes preserving Durham heron nesting grounds.
The New York City Bird Alliance has monitored nesting colonies on the island for over 20 years. [30] [31] In their May/July 2019 Nesting Survey however, the New York City Bird Alliance was unable to confirm the great blue heron or the green heron as breeding on any of the coastal islands.
The largest great blue heron rookery in Vermont has been on the refuge's Shad Island. This rookery fluctuates from about 250 to almost 600 nests each year. This rookery has been reduced in since 2015, due to an increasing bald eagle population. [4]