The fox kestrel (''Falco alopex'') is a
bird of prey
Birds of prey or predatory birds, also known as raptors, are hypercarnivorous bird species that actively hunt and feed on other vertebrates (mainly mammals, reptiles and other smaller birds). In addition to speed and strength, these predators h ...
belonging to the
falcon
Falcons () are birds of prey in the genus ''Falco'', which includes about 40 species. Falcons are widely distributed on all continents of the world except Antarctica, though closely related raptors did occur there in the Eocene.
Adult falcons ...
family
Falconidae
The falcons and caracaras are around 60 species of diurnal birds of prey that make up the family Falconidae (representing all extant species in the order Falconiformes). The family is divided into three subfamilies, Herpetotherinae, which inclu ...
. It is found in arid, open country in the northern part of
Sub-Saharan Africa
Sub-Saharan Africa is, geographically, the area and regions of the continent of Africa that lies south of the Sahara. These include West Africa, East Africa, Central Africa, and Southern Africa. Geopolitically, in addition to the List of sov ...
.
Description
It is a large, slender
kestrel
The term kestrel (from french: crécerelle, derivative from , i.e. ratchet) is the common name given to several species of predatory birds from the falcon genus ''Falco''. Kestrels are most easily distinguished by their typical hunting behaviou ...
with long, narrow wings and tail. It is long with a wingspan of and a weight of . The female is 3% larger than the male. The
plumage
Plumage ( "feather") is a layer of feathers that covers a bird and the pattern, colour, and arrangement of those feathers. The pattern and colours of plumage differ between species and subspecies and may vary with age classes. Within species, ...
is dark rufous above and below with black streaks. The tail is narrowly barred with black while the
flight feather
Flight feathers (''Pennae volatus'') are the long, stiff, asymmetrically shaped, but symmetrically paired pennaceous feathers on the wings or tail of a bird; those on the wings are called remiges (), singular remex (), while those on the tail ...
s of the wing are dark and unbarred. The underwings are pale, contrasting with the darker body. The eye is yellow-brown unlike the similar
greater kestrel
The greater kestrel (''Falco rupicoloides'') or white-eyed kestrel, is a bird of prey belonging to the falcon family Falconidae. It is one of the largest kestrels and is found in open country in southern and eastern Africa.
Description
The pl ...
which has whitish eyes as well as paler plumage, barred flight feathers and grey on the tail.
Juvenile fox kestrels have heavier streaking than the adults and clearer barring on the tail.
The species has a high, screeching call, but is usually silent outside the breeding season.
Habitat and range
It breeds in the
savanna
A savanna or savannah is a mixed woodland-grassland (i.e. grassy woodland) ecosystem characterised by the trees being sufficiently widely spaced so that the canopy does not close. The open canopy allows sufficient light to reach the ground to ...
region south of the
Sahara
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, photo_caption = The Sahara taken by Apollo 17 astronauts, 1972
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, ...
from
Mali
Mali (; ), officially the Republic of Mali,, , ff, 𞤈𞤫𞤲𞥆𞤣𞤢𞥄𞤲𞤣𞤭 𞤃𞤢𞥄𞤤𞤭, Renndaandi Maali, italics=no, ar, جمهورية مالي, Jumhūriyyāt Mālī is a landlocked country in West Africa. Mali ...
eastwards as far as
Ethiopia
Ethiopia, , om, Itiyoophiyaa, so, Itoobiya, ti, ኢትዮጵያ, Ítiyop'iya, aa, Itiyoppiya officially the Federal Democratic Republic of Ethiopia, is a landlocked country in the Horn of Africa. It shares borders with Eritrea to the ...
and north-west
Kenya
)
, national_anthem = "Ee Mungu Nguvu Yetu"()
, image_map =
, map_caption =
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, capital = Nairobi
, coordinates =
, largest_city = Nairobi
, ...
. It occasionally wanders west to
Senegal
Senegal,; Wolof: ''Senegaal''; Pulaar: 𞤅𞤫𞤲𞤫𞤺𞤢𞥄𞤤𞤭 (Senegaali); Arabic: السنغال ''As-Sinighal'') officially the Republic of Senegal,; Wolof: ''Réewum Senegaal''; Pulaar : 𞤈𞤫𞤲𞤣𞤢𞥄𞤲𞤣𞤭 ...
, the
Gambia
The Gambia,, ff, Gammbi, ar, غامبيا officially the Republic of The Gambia, is a country in West Africa. It is the smallest country within mainland AfricaHoare, Ben. (2002) ''The Kingfisher A-Z Encyclopedia'', Kingfisher Publicatio ...
and
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 ...
and south to the
Democratic Republic of the 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 ...
. Most birds are sedentary but there is some movement northward during the
wet season
The wet season (sometimes called the Rainy season) is the time of year when most of a region's average annual rainfall occurs. It is the time of year where the majority of a country's or region's annual precipitation occurs. Generally, the sea ...
and southward in the
dry season
The dry season is a yearly period of low rainfall, especially in the tropics. The weather in the tropics is dominated by the tropical rain belt, which moves from the northern to the southern tropics and back over the course of the year. The te ...
. It is often found around cliffs and rocky hills. It occurs from near sea level to 2200 m, especially below 1000 m. It has a large range of about 4 million km
2, but is usually uncommon. Its total population is probably fewer than 100,000 pairs.
Behaviour
It rarely hovers, preferring to hunt from a perch in a tree or on a rock. It feeds on
insect
Insects (from Latin ') are pancrustacean hexapod invertebrates of the class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body ( head, thorax and abdomen), three pairs ...
s,
lizard
Lizards are a widespread group of squamate reptiles, with over 7,000 species, ranging across all continents except Antarctica, as well as most oceanic island chains. The group is paraphyletic since it excludes the snakes and Amphisbaenia alt ...
s and small
mammal
Mammals () are a group of vertebrate animals constituting the class Mammalia (), characterized by the presence of mammary glands which in females produce milk for feeding (nursing) their young, a neocortex (a region of the brain), fur or ...
s. It generally catches food on the ground but also hunts for flying insects escaping from grass fires.
Little is known about its breeding habits. The
nest
A nest is a structure built for certain animals to hold eggs or young. Although nests are most closely associated with birds, members of all classes of vertebrates and some invertebrates construct nests. They may be composed of organic materia ...
site is a hole or crevice in a cliff or on a ledge. No nesting material is used. The clutch is thought to consist of two or three
eggs
Humans and human ancestors have scavenged and eaten animal eggs for millions of years. Humans in Southeast Asia had domesticated chickens and harvested their eggs for food by 1,500 BCE. The most widely consumed eggs are those of fowl, especial ...
. The birds sometimes breed in loose colonies of up to 20 pairs.
References
*Ferguson-Lees, James & Christie, David A. (2001) ''Raptors of the World'', Christopher Helm, London.
*Global Raptor Information Network (2007)
Species account: Fox Kestrel Falco alopex.'' Downloaded from http://www.globalraptors.org on 2 Aug. 2007.
*Sinclair, Ian & Ryan, Peter (2003) ''Birds of Africa south of the Sahara'', Struik, Cape Town.
*Zimmerman, Dale A.; Turner, Donald A. & Pearson, David J. (1999) ''Birds of Kenya & Northern Tanzania'', Christopher Helm, London.
External links
{{Taxonbar, from=Q637624
fox kestrel
The fox kestrel (''Falco alopex'') is a bird of prey belonging to the falcon family Falconidae. It is found in arid, open country in the northern part of Sub-Saharan Africa.
Description
It is a large, slender kestrel with long, narrow wings and ...
Birds of prey of Sub-Saharan Africa
fox kestrel
The fox kestrel (''Falco alopex'') is a bird of prey belonging to the falcon family Falconidae. It is found in arid, open country in the northern part of Sub-Saharan Africa.
Description
It is a large, slender kestrel with long, narrow wings and ...
Taxa named by Theodor von Heuglin