Trisha Shetty (Editor)

Gorsachius

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Kingdom  Animalia
Scientific name  Gorsachius
Higher classification  Heron
Order  Pelecaniformes
Family  Ardeidae
Phylum  Chordata
Rank  Genus
Gorsachius
Lower classifications  Malayan night heron, Japanese night heron, White‑eared night heron, White‑backed night heron

Kill bird gorsachius melanolophus


Gorsachius is a genus of Old World night herons typically found near water in forested regions. These are medium-sized herons which are migratory in the colder parts of their ranges, but otherwise resident. They are the least known, most strictly nocturnal, smallest and overall rarest night herons.

Contents

Three of the four species are found in East, South and South-east Asia, while the last species, the white-backed night heron, is found in sub-Saharan Africa. The Japanese and Malayan night herons resemble each other, being relatively short-billed and overall brown with a dark line from the throat to the upper belly. 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, and a clutch of two to five eggs has been recorded. While generally nocturnal and crepuscular, they have been recorded feeding during the day in clouded weather. They are skulking, and known to feed on crabs, crustacean, fish, insects, frogs and other small animals.

gorsachius melanolophus


Taxonomy

These night herons were formerly placed in the genus Nycticorax, but today all major authorities recognize them as separate. In addition to the species listed below, the rufous or nankeen night heron has been placed in Gorsachius, but today all major authorities place it in Nycticorax. The four night herons in this genus are all monotypic.

  • White-backed night heron, Gorsachius leuconotus
  • White-eared night heron, Gorsachius magnificus
  • Japanese night heron, Gorsachius goisagi
  • Malayan night heron, Gorsachius melanolophus
  • References

    Gorsachius Wikipedia


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