| Red-billed oxpecker | |
|---|---|
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| Adult at nest entrance | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Passeriformes |
| Family: | Buphagidae |
| Genus: | Buphagus |
| Species: | B. erythrorynchus
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| Binomial name | |
| Buphagus erythrorynchus (Stanley, 1814)
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| Range | |
| Synonyms | |
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Buphagus erythrorhynchus | |
The red-billed oxpecker (Buphagus erythrorynchus) is a mutualistic passerine bird in the oxpecker family, Buphagidae. It is native to the eastern savannah of sub-Saharan Africa, from the Central African Republic east to South Sudan and south to northern and eastern South Africa. It is more widespread than the yellow-billed oxpecker in Southern Africa, where their ranges overlap.
The red-billed oxpecker is a native of the savanna of sub-Saharan Africa. It ranges across Ethiopia and Somalia through Kenya, Tanzania, Malawi, and Zambia to southern Africa, Botswana, Zimbabwe, southern Mozambique, and north-eastern South Africa.[2]
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.[citation needed] Its flight is strong and direct, and their call is a hissy crackling trik-quisss.[3]
The red-billed oxpecker nests in tree holes lined with hair plucked from livestock. It lays two to five eggs, 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 insects. Both the English and scientific names arise from this species' habit of perching on large wild and domesticated mammals such as cattle and eating ticks.[4] This species's relationship with rhinos gives the Swahili name Askari wa kifaru meaning "the rhino's guard".[5]
An adult will take nearly 100 blood-engorged female Rhipicephalus (Boophilus) decoloratus ticks, or more than 12,000 larvae 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.
Field observations in rhinos have shown oxpeckers warning the nearsighted rhino of danger.[6]
_on_impala_(Aepyceros_melampus).jpg)
_adult_(L)_sub-adult_(R)_on_impala.jpg)
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