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The great blue heron's niche in the Old World is filled by the congeneric grey heron (Ardea cinerea), which is somewhat smaller (90–98 cm (35–39 in)), and sports a pale gray neck and legs, lacking the brown hues of the great blue heron. The great blue heron forms a superspecies with the grey heron which also includes the cocoi heron of ...
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.
Nankeen night heron: Nycticorax caledonicus (Gmelin, JF, 1789) 29 Malayan night heron: Gorsachius melanolophus (Raffles, 1822) 30 Japanese night heron: Gorsachius goisagi (Temminck, 1836) 31 Capped heron: Pilherodius pileatus (Boddaert, 1783) 32 Whistling heron: Syrigma sibilatrix (Temminck, 1824) 33 Little blue heron: Egretta caerulea ...
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]
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 ...
The genus name comes from the Latin word ardea meaning "heron". [2] The type species was designated as the grey heron (Ardea cinerea) by George Robert Gray in 1840. [3] Some members of Ardea are clearly very closely related, such as the grey, great blue, and cocoi herons, which form a superspecies.
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