The red-billed oxpecker (''Buphagus erythrorynchus'') is a

passerine A passerine () is any bird of the order Passeriformes (; from Latin 'sparrow' and '-shaped'), which includes more than half of all bird species. Sometimes known as perching birds, passerines are distinguished from other orders of birds by t ...

bird Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweigh ...

in the oxpecker family,

Buphagidae The oxpeckers are two species of bird which make up the genus ''Buphagus'', and family (biology), family Buphagidae. The oxpeckers were formerly usually treated as a subfamily, Buphaginae, within the starling family, Sturnidae, but molecular p ...

. It is native to the savannah of sub-

Sahara , photo = Sahara real color.jpg , photo_caption = The Sahara taken by Apollo 17 astronauts, 1972 , map = , map_image = , location = , country = , country1 = , ...

Africa Africa is the world's second-largest and second-most populous continent, after Asia in both cases. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 6% of Earth's total surface area ...

, from the

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 ...

east to

South Sudan South Sudan (; din, Paguot Thudän), officially the Republic of South Sudan ( din, Paankɔc Cuëny Thudän), is a landlocked country in East Africa. It is bordered by Ethiopia, Sudan, Central African Republic, Democratic Republic of the C ...

and south to northern and eastern

South Africa South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by of coastline that stretch along the South Atlantic and Indian Oceans; to the north by the neighbouring countri ...

. Its range overlaps that of the less widespread

yellow-billed oxpecker The yellow-billed oxpecker (''Buphagus africanus'') is a passerine bird in the family Buphagidae. It was previously placed in the starling and myna family, Sturnidae. It is native to the savannah of Sub-Saharan Africa from Senegal east to Sudan. ...

Distribution

The red-billed oxpecker is a native of the savanna of sub-Saharan Africa. It ranges across

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

Somalia Somalia, , Osmanya script: 𐒈𐒝𐒑𐒛𐒐𐒘𐒕𐒖; ar, الصومال, aṣ-Ṣūmāl officially the Federal Republic of SomaliaThe ''Federal Republic of Somalia'' is the country's name per Article 1 of thProvisional Constituti ...

through

Kenya ) , national_anthem = "Ee Mungu Nguvu Yetu"() , image_map = , map_caption = , image_map2 = , capital = Nairobi , coordinates = , largest_city = Nairobi , ...

Tanzania Tanzania (; ), officially the United Republic of Tanzania ( sw, Jamhuri ya Muungano wa Tanzania), is a country in East Africa within the African Great Lakes region. It borders Uganda to the north; Kenya to the northeast; Comoro Islands and ...

Malawi Malawi (; or aláwi Tumbuka: ''Malaŵi''), officially the Republic of Malawi, is a landlocked country in Southeastern Africa that was formerly known as Nyasaland. It is bordered by Zambia to the west, Tanzania to the north and northeast ...

, and

Zambia Zambia (), officially the Republic of Zambia, is a landlocked country at the crossroads of Central Africa, Central, Southern Africa, Southern and East Africa, although it is typically referred to as being in Southern Africa at its most cent ...

to southern Africa,

Botswana Botswana (, ), officially the Republic of Botswana ( tn, Lefatshe la Botswana, label=Setswana, ), is a landlocked country in Southern Africa. Botswana is topographically flat, with approximately 70 percent of its territory being the Kalahar ...

Zimbabwe Zimbabwe (), officially the Republic of Zimbabwe, is a landlocked country located in Southeast Africa, between the Zambezi and Limpopo Rivers, bordered by South Africa to the south, Botswana to the south-west, Zambia to the north, and Mozam ...

, southern

Mozambique Mozambique (), officially the Republic of Mozambique ( pt, Moçambique or , ; ny, Mozambiki; sw, Msumbiji; ts, Muzambhiki), is a country located in southeastern Africa bordered by the Indian Ocean to the east, Tanzania to the north, Malawi ...

, and north-eastern

Description

A juvenile oxpecker is darker brown than its parents. Its bill is dark olive at first, but gradually takes on adult colouration after four months. Its flight is strong and direct, and their call is a hissy crackling ''trik-quisss''.

Behaviour

The red-billed oxpecker nests in tree holes lined with hair plucked from

livestock Livestock are the domesticated animals raised in an agricultural setting to provide labor and produce diversified products for consumption such as meat, eggs, milk, fur, leather, and wool. The term is sometimes used to refer solely to animals ...

. It lays 2–5

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 ...

, with three being the average. Outside the breeding season it forms large, chattering flocks. The preferred habitat is open country, and the red-billed oxpecker eats

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. Both the English and scientific names arise from this species' habit of perching on large wild and domesticated

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 such as

cattle Cattle (''Bos taurus'') are large, domesticated, cloven-hooved, herbivores. They are a prominent modern member of the subfamily Bovinae and the most widespread species of the genus ''Bos''. Adult females are referred to as cows and adult mal ...

and eating

tick Ticks (order Ixodida) are parasitic arachnids that are part of the mite superorder Parasitiformes. Adult ticks are approximately 3 to 5 mm in length depending on age, sex, species, and "fullness". Ticks are external parasites, living by ...

s. One unusual aspect is the bird can perch on the

udders An udder is an organ formed of two or four mammary glands on the females of dairy animals and ruminants such as cattle, goats, and sheep. An udder is equivalent to the breast in primates and elephantine pachyderms. The udder is a single mass han ...

of an

impala The impala or rooibok (''Aepyceros melampus'') is a medium-sized antelope found in eastern and southern Africa. The only extant member of the genus '' Aepyceros'' and tribe Aepycerotini, it was first described to European audiences by Germa ...

and suck its milk. This species's relationship with

rhino A rhinoceros (; ; ), commonly abbreviated to rhino, is a member of any of the five extant species (or numerous extinct species) of odd-toed ungulates in the family Rhinocerotidae. (It can also refer to a member of any of the extinct species o ...

s gives the Swahili name ''Askari wa kifaru'' meaning "the rhino's guard". An adult will take nearly 100 blood-engorged female '' Rhipicephalus (Boophilus) decoloratus'' ticks, or more than 12,000

larva A larva (; plural larvae ) is a distinct juvenile form many animals undergo before metamorphosis into adults. Animals with indirect development such as insects, amphibians, or cnidarians typically have a larval phase of their life cycle. The ...

e in a day. However, their preferred food is blood, and while they may take ticks bloated with blood, they also feed on it directly, pecking at the mammal's wounds to keep them open. Red-billed oxpecker (Buphagus erythrorhynchus) on impala (Aepyceros melampus).jpg, Perched on an

ewe Red-billed oxpeckers (Buphagus erythrorynchus) adult (L) sub-adult (R) on impala.jpg, adult (L) sub-adult (R) on impala Red-billed Oxpecker Eggs JM.jpg, Clutch in a nest lined with

hair, Kenya African buffalo (Syncerus caffer) male with Oxpecker.jpg, Perched on an African buffalo Field observations in

s have shown oxpeckers warning the nearsighted rhino from danger.

References

External links

* Red-billed oxpecker �
Species text in The Atlas of Southern African Birds

Red-billed oxpecker videos, photos & sounds
on the Macaulay Library {{Authority control

red-billed oxpecker The red-billed oxpecker (''Buphagus erythrorynchus'') is a passerine bird in the oxpecker family, Buphagidae. It is native to the savannah of sub- Saharan Africa, from the Central African Republic east to South Sudan and south to northern and eas ...

Birds of East Africa

Distribution

Description

Behaviour

References

Further reading

External links