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Nycticorax is a genus of night herons.The name Nycticorax means "night raven" and derives from the Ancient Greek νύκτος, nuktos "night" and κοραξ, korax, "raven".It refers to the largely nocturnal feeding habits of this group of birds, and the croaking crow-like call of the best known species, the black-crowned night heron.
The night herons are medium-sized herons, 58–65 cm, in the genera Nycticorax, Nyctanassa, and Gorsachius.The genus name Nycticorax derives from the Greek for "night raven" and refers to the largely nocturnal feeding habits of this group of birds, and the croaking crow-like, almost like a barking sound, call of the best known species, the black-crowned night heron.
In modern times the black-crowned night heron is a vagrant (excluding the feral breeding colonies that were established at Edinburgh Zoo from 1950 into the start of the 21st century [14] and at Great Witchingham in Norfolk, where there were 8 pairs in 2003 but breeding was not repeated subsequently [15]). A pair of adults were seen with two ...
The nankeen night heron has a heavy black bill, which is similar in length as its head. [8] The face is white with a cinnamon tint, and the nape and crown of breeding adults is a grey-black. [ 9 ] During the breeding season, there are also usually two or three thin, white plumes from the crown in a downward direction to the neck. [ 10 ]
Mauritius night heron, † Nycticorax mauritianus ; Ascension night heron, † Nycticorax olsoni ; Niue night heron, † Nycticorax kalavikai (prehistoric) Nyctanassa Stejneger, 1887 – American night herons: Yellow-crowned night heron, Nyctanassa violacea; Bermuda night heron, † Nyctanassa carcinocatactes
Black-backed bittern: Botaurus dubius Mathews, 1912: 20 New Zealand bittern (X) Botaurus novaezelandiae (Purdie, 1871) 21 Yellow-crowned night heron: Nyctanassa violacea (Linnaeus, 1758) 22 Bermuda night heron (X) Nyctanassa carcinocatactes Olson & Wingate, 2006: 23 Black-crowned night heron: Nycticorax nycticorax (Linnaeus, 1758) 24 Ascension ...
The larger white-eared and white-backed night herons are darker, with distinctive white markings on the face and neck in the former, and an entirely black head in the latter. Their behavior, especially that of the white-eared night heron, is relatively poorly known compared to that of other night herons, but they nest alone or in small groups ...
The Rodrigues night heron (Nycticorax megacephalus) is an extinct species of heron that was endemic to the Mascarene island of Rodrigues in the Indian Ocean.The species was first mentioned as "bitterns" in two accounts from 1691–1693 and 1725–1726, and these were correlated with subfossil remains found and described in the latter part of the 19th century.