Doria's Goshawk
Encyclopedia
Doria's Goshawk, Megatriorchis doriae, is a raptor
, the only member of the genus Megatriorchis.
s in the broad sense. It is greyish-brown with a black-barred crown and upperparts, whitish underparts, a black streak behind the eye, dark brown irises
, a blackish bill
and greenish-yellow legs. The sexes are similar. The female is slightly larger than the male.
Doria's Goshawk is endemic
to lowland rainforests of New Guinea
and Batanta
Island off Western New Guinea
. The diet consists mainly of birds, including the Lesser Bird of Paradise
, and other small animals.
of Threatened Species. It is listed on Appendix II of CITES.
word for "big". "Triorchis" was Greek for a kind of hawk thought to have three testicle
s—see Eutriorchis for details. The species name commemorates the Italian
naturalist
Giacomo Doria
.
Bird of prey
Birds of prey are birds that hunt for food primarily on the wing, using their keen senses, especially vision. They are defined as birds that primarily hunt vertebrates, including other birds. Their talons and beaks tend to be relatively large, powerful and adapted for tearing and/or piercing flesh....
, the only member of the genus Megatriorchis.
Description
At up to 69 cm long, it is among the biggest hawkHawk
The term hawk can be used in several ways:* In strict usage in Australia and Africa, to mean any of the species in the subfamily Accipitrinae, which comprises the genera Accipiter, Micronisus, Melierax, Urotriorchis and Megatriorchis. The large and widespread Accipiter genus includes goshawks,...
s in the broad sense. It is greyish-brown with a black-barred crown and upperparts, whitish underparts, a black streak behind the eye, dark brown irises
Iris (anatomy)
The iris is a thin, circular structure in the eye, responsible for controlling the diameter and size of the pupils and thus the amount of light reaching the retina. "Eye color" is the color of the iris, which can be green, blue, or brown. In some cases it can be hazel , grey, violet, or even pink...
, a blackish bill
Beak
The beak, bill or rostrum is an external anatomical structure of birds which is used for eating and for grooming, manipulating objects, killing prey, fighting, probing for food, courtship and feeding young...
and greenish-yellow legs. The sexes are similar. The female is slightly larger than the male.
Doria's Goshawk is endemic
Endemism in birds
An endemic bird area is a region of the world that contains two or more restricted-range species, while a "secondary area" contains one or more restricted-range species. Both terms were devised by Birdlife International....
to lowland rainforests of New Guinea
New Guinea
New Guinea is the world's second largest island, after Greenland, covering a land area of 786,000 km2. Located in the southwest Pacific Ocean, it lies geographically to the east of the Malay Archipelago, with which it is sometimes included as part of a greater Indo-Australian Archipelago...
and Batanta
Batanta
Batanta is one of the four major islands in the Raja Ampat Islands in Papua province, Indonesia. Its area is 453 km² and its highest point is 1184 m.- Fauna :The following mammals are found on the island:...
Island off Western New Guinea
Western New Guinea
West Papua informally refers to the Indonesian western half of the island of New Guinea and other smaller islands to its west. The region is officially administered as two provinces: Papua and West Papua. The eastern half of New Guinea is Papua New Guinea.The population of approximately 3 million...
. The diet consists mainly of birds, including the Lesser Bird of Paradise
Lesser Bird of Paradise
The Lesser Bird-of-paradise, Paradisaea minor, is a bird-of-paradise in the genus Paradisaea.- Description :The Lesser Bird-of-paradise is medium-sized, up to 32 cm-long, maroon-brown with a yellow crown and brownish-yellow upper back...
, and other small animals.
Conservation
Due to ongoing habitat loss, Doria's Goshawk is evaluated as Near Threatened on the IUCN Red ListIUCN Red List
The IUCN Red List of Threatened Species , founded in 1963, is the world's most comprehensive inventory of the global conservation status of biological species. The International Union for Conservation of Nature is the world's main authority on the conservation status of species...
of Threatened Species. It is listed on Appendix II of CITES.
Etymology
In the genus name, "Mega-" is from the GreekGreek language
Greek is an independent branch of the Indo-European family of languages. Native to the southern Balkans, it has the longest documented history of any Indo-European language, spanning 34 centuries of written records. Its writing system has been the Greek alphabet for the majority of its history;...
word for "big". "Triorchis" was Greek for a kind of hawk thought to have three testicle
Testicle
The testicle is the male gonad in animals. Like the ovaries to which they are homologous, testes are components of both the reproductive system and the endocrine system...
s—see Eutriorchis for details. The species name commemorates the Italian
Italy
Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...
naturalist
Natural history
Natural history is the scientific research of plants or animals, leaning more towards observational rather than experimental methods of study, and encompasses more research published in magazines than in academic journals. Grouped among the natural sciences, natural history is the systematic study...
Giacomo Doria
Giacomo Doria
Marquis Giacomo Doria was an Italian naturalist and politician.He was the founder of the Museo Civico di Storia Naturale in Genoa in 1867, and director from then until his death...
.