Search results
Results from the WOW.Com Content Network
Black-crowned night herons nest in colonies on platforms of sticks in a group of trees, or on the ground in protected locations such as islands or reedbeds. Three to eight eggs are laid. This heron is migratory in the northern parts of its range, but is otherwise resident (even in the cold Patagonia). European birds winter in Africa (with a few ...
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.
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.
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
The nankeen night heron is a medium-sized heron. The adult male is 55 to 65 cm in length, while the female is slightly smaller, measuring 55 to 60 cm. [ 9 ] Its weight varies from 810 g to 1014 g, [ 10 ] and the wingspan ranges from 95 to 105 cm. [ 9 ] Other than females being smaller in most measurements, the sexes of the nankeen night heron ...
Little egrets are mostly silent but make various croaking and bubbling calls at their breeding colonies and produce a harsh alarm call when disturbed. To the human ear, the sounds are indistinguishable from the black-crowned night heron (Nycticorax nycticorax) and the cattle egret (Bubulcus ibis) with which it sometimes associates. [9]
The yellow-crowned night heron is a rather stocky wading bird, ranging from 55 to 70 cm (1 ft 10 in – 2 ft 4 in) and from 650 to 850 g (1.43–1.87 lb), the females being a little smaller than the males. The yellow-crowned night heron has a wingspan ranging from 101 to 112 cm (3 ft 4 in – 3 ft 8 in). [10]
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 ...