The long-tailed hawk (''Urotriorchis macrourus'') is an African
bird of prey in the family
Accipitridae. It is the
only member of the genus ''Urotriorchis''.
Description
The long-tailed hawk is a distinctively shaped raptor with a very noticeable long, barred tail and is dark grey on its upperparts and chestnut on its underparts with a contrasting white throat and undertail coverts. In flight the white flight feathers on the underwing are heavily barred with dark grey. There is a rare morph which has a grey breast, with a paler grey throat but still has the white undertail coverts. The bill is black, the eyes,
cere, legs and feet are yellow. Juveniles are browner, with a white-breasted "plain" morph and a "marked" morph which has the breast streaked with brown.
It has a wingspan of and a total length of , including the tail of .
[ Females are about 15% larger than males.][ Since the tail comprises about 56% of this raptor's total length, this species ties with the cinereous harrier as the raptor with the longest tail relative to its body size.][
]
Voice
It is a rather vocal bird which is often first detected by the long drawn out screech given by birds perched in the canopy.[
]
Distribution and habitat
The long-tailed hawk occurs in the tropical rainforest
Tropical rainforests are rainforests that occur in areas of tropical rainforest climate in which there is no dry season – all months have an average precipitation of at least 60 mm – and may also be referred to as ''lowland equatori ...
s of western and central Africa
Central Africa is a subregion of the African continent comprising various countries according to different definitions. Angola, Burundi, the Central African Republic, Chad, the Democratic Republic of the Congo, the Republic of the Congo, ...
, from Guinea
Guinea ( ),, fuf, 𞤘𞤭𞤲𞤫, italic=no, Gine, wo, Gine, nqo, ߖߌ߬ߣߍ߫, bm, Gine officially the Republic of Guinea (french: République de Guinée), is a coastal country in West Africa. It borders the Atlantic Ocean to the we ...
in the west, along the Gulf of Guinea
The Gulf of Guinea is the northeasternmost part of the tropical Atlantic Ocean from Cape Lopez in Gabon, north and west to Cape Palmas in Liberia. The intersection of the Equator and Prime Meridian (zero degrees latitude and longitude) is in the ...
coast south to northern Angola
, national_anthem = " Angola Avante"()
, image_map =
, map_caption =
, capital = Luanda
, religion =
, religion_year = 2020
, religion_ref =
, coordina ...
, east to the southern Central African Republic
The Central African Republic (CAR; ; , RCA; , or , ) is a landlocked country in Central Africa. It is bordered by Chad to the north, Sudan to the northeast, South Sudan to the southeast, the DR Congo to the south, the Republic of th ...
, northern Democratic Republic of Congo
The Democratic Republic of the Congo (french: République démocratique du Congo (RDC), colloquially "La RDC" ), informally Congo-Kinshasa, DR Congo, the DRC, the DROC, or the Congo, and formerly and also colloquially Zaire, is a country in ...
, South Sudan and western Uganda
}), is a landlocked country in East Africa
East Africa, Eastern Africa, or East of Africa, is the eastern subregion of the African continent. In the United Nations Statistics Division scheme of geographic regions, 10-11-(16*) territor ...
.[
]
Habits
The long-tailed hawk primarily eats squirrels, especially scaly-tailed squirrel
The Anomaluridae are a family of rodents found in central Africa. They are known as anomalures or scaly-tailed squirrels. The six extant species are classified into two genera.
All anomalurids have membranes between their front and hind legs li ...
s, and small birds; it can also hunt chickens in the villages close to the forest. It kills prey by breaking the neck. It has also been known to attack hammer-headed fruit bats. Its strong legs and feet suggest its main prey are mammals. The mating season occurs in July and August, when the pair build a nest on a high tree. Little is known regarding nesting and breeding the young, an adult was seen feeding a fledged juvenile in Sierra Leone
Sierra Leone,)]. officially the Republic of Sierra Leone, is a country on the southwest coast of West Africa. It is bordered by Liberia to the southeast and Guinea surrounds the northern half of the nation. Covering a total area of , Sierra ...
in August.
Etymology
The generic name ''Urotriorchis'' was coined by Richard Bowdler Sharpe
Richard Bowdler Sharpe (22 November 1847 – 25 December 1909) was an English zoologist and ornithologist who worked as curator of the bird collection at the British Museum of natural history. In the course of his career he published several mono ...
in 1874 and combines "Uro-", from the Greek "tail", and "triorchis", a kind of hawk thought to have three testicle
A testicle or testis (plural testes) is the male reproductive gland or gonad in all bilaterians, including humans. It is homologous to the female ovary. The functions of the testes are to produce both sperm and androgens, primarily testostero ...
s—for further details see '' Eutriorchis''. "Macro-" is from the Greek for "long", so ''macrourus'' means "long-tailed", as in the English name.[
]
References
{{Taxonbar, from=Q1267384
long-tailed hawk
long-tailed hawk
Birds of the African tropical rainforest
Birds of prey of Sub-Saharan Africa
long-tailed hawk