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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]
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.
In Nova Scotia and New England, adult herons of both sexes averaged 2.23 kg (4.9 lb), [12] while in Oregon, both sexes averaged 2.09 kg (4.6 lb) [13] Thus, great blue herons are roughly twice as heavy as great egrets (Ardea alba), although only slightly taller than them, but they weigh only about half as much as a large goliath heron.
A great blue heron (Ardea herodias) rookery was protected and made part of the Indiana Dunes National Lakeshore in 1980. The herons, numbering 98 nesting pairs as of 2001, have made their home on the eastern portion of the wet woods along the Little Calumet River for more than 60 years.
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 ...
The great blue heron is the largest heron native to North America. Its range is very wide, spreading from norther Canada to South America depending on the time of year, and encompassing almost all ...
Nightjars are medium-sized nocturnal birds that usually nest on the ground. They have long wings, short legs, and very short bills. Most have small feet, of little use for walking, and long pointed wings. Their soft plumage is cryptically colored to resemble bark or leaves. Three species have been recorded in Indiana. Common nighthawk ...
Great blue heron. Order: Pelecaniformes Family: Ardeidae. The family Ardeidae contains the herons, egrets, and bitterns. Herons and egrets are medium to large wading birds with long necks and legs. Bitterns tend to be shorter-necked and more secretive.