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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.
The white-backed night heron seems to be sedentary, but it has been observed in some circumstances to have migrated to locations with heavy rain. [14] White-backed night herons are known foragers, meaning they search for food primarily along waterways. They have been observed to eat fish, amphibians, mollusks and insects. [10]
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.
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.
Hruska and collaborators resurrected the genus Calherodius Peters, 1931 to contain two night herons (the white-backed night heron and the white-eared night heron) that were previously placed in Gorsachius. The western cattle egret (Bubulcus ibis) was embedded in the genus Ardea. The eastern cattle egret (Bubulcus coromandus) was not sampled.
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 nankeen night heron is mainly nocturnal, and thus roosts during the daytime in dense cover of trees, bushes, and reeds. [11] In more exposed situations, they are also known to roost in dead trees. [10] In urban areas, the nankeen night heron favours nesting and roosting in trees such as cypresses and pines. [9]
An otherwise majestic great blue heron was spotted devouring a New York City rat Saturday — a stomach-churning chow-down that a witness described as “dinosaurian.”