black-crowned night heron

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Related to Black-crowned night-heron: least bittern, little blue heron
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Synonyms for black-crowned night heron

night heron of both Old and New Worlds

References in periodicals archive ?
Breeding success of the Black-crowned Night-Heron in the St.
Glossy Ibises Plegadis falcinellus, and other herons, especially Little Egrets Egretta garzetta and Black-crowned Night-Herons Nycticorax nycticorax, leading to dense nesting and partitioning in the available space (Jenni 1969, Maxwell and Kale 1977, Parsons 1995).
Department of Agriculture's Wildlife Services, have renewed a program to sustain and protect a historic nesting colony of great egrets and black-crowned night-herons - two state endangered species - on Wade Island, a three-acre isle near Harrisburg in the Susquehanna River.
Chinese Pond-heron Ardeala bacchus Striated Heron Butorides striarus Black-crowned Night-heron Nycticarax nycacorax ?
Bring binoculars to find the more secretive black-crowned night-herons, often tucked in the bushes.
More importantly, however, great egrets and black-crowned night-herons were seen quickly making use of the recently vacated trees.
tricolor), Cattle Egret (Bubulcus ibis), Glossy Ibis (Plegadis falcinellus), and Black-crowned Night-heron.
Although I spent similar amounts of time observing the same rookery each year (1997-2001), cannibalism among Black-crowned Night-Heron fledglings was prevalent only in 2000.
The loss of these islands to gulls or erosion forced roseate terns to nest at sites either on or close to the mainland, where they are more vulnerable to human disturbance and to predators such as great horned owls (Bubo virginianus), black-crowned night-herons (Nycticorax nycticorax), weasels (Mustela frenata), racoons (Procyon lotor), rats (Rattus norvegicus), and red foxes (Vulpes vulpes).
Wildwood Park at this time of year is used regularly by feeding great egrets and black-crowned night-herons, both of which are state endangered species.
Up to 15 Black-crowned Night-Herons (Nycticorax nycticorax), five Yellow-crowned Night-Herons (Nyctanassa violacea), 12 Great Blue Herons (Ardea herodias), 12 Great Egrets (A.
The symposium commemorated 100 years of scientific bird banding in North America, the birth of which is designated by the banding of Black-crowned Night-herons (Nycticorax nycticorax) by the Smithsonian Institution's Paul Bartsch in 1902.
The survey focuses chiefly on great blue herons, black-crowned night-herons and yellow-crowned night-herons, all of which are state Wildlife Action Plan priority species," said Patti Barber, Game Commission endangered bird specialist.
Juvenile Black-crowned Night-herons (Nycticorax nycticorax), a closely related species, have been observed depredating chicks and adults have been observed eating Cattle Egret (Bub ulcus ibis) chicks (Riehl 2006; D.
Brauning noted that studies have shown that when nesting cormorants encroach upon colonies of other nesting birds, including both black-crowned night-herons and great egrets, they reduce the amount of nesting space for those other nesting species.