Search results
Results from the WOW.Com Content Network
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.
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 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]
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.
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 ...
Chicks of nankeen night herons begin begging within hours of hatching. [9] They are initially given liquid food and are provided with semi-solid food after a few days. [9] The young are fed first from mouth to mouth, and later by adults regurgitating into the nest. [10] Nankeen night herons mainly forage at night and in the morning. [12]
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 ...
Niue night heron, † Nycticorax kalavikai (prehistoric) Nyctanassa Stejneger, 1887 – American night herons: Yellow-crowned night heron, Nyctanassa violacea; Bermuda night heron, † Nyctanassa carcinocatactes; Gorsachius Bonaparte, 1855 – Asian and African night herons: White-backed night heron, Gorsachius leuconotus; White-eared night ...