Red-billed oxpecker

The red-billed oxpecker (Buphagus erythrorhynchus) 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 eastern South Africa. Its range overlaps that of the less widespread yellow-billed oxpecker.

Red-billed oxpecker
Adult at nest entrance

Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Buphagidae
Genus: Buphagus
Species:
B. erythrorhynchus
Binomial name
Buphagus erythrorhynchus
Stanley, 1814
Range

Distribution

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]

Description

Juvenile oxpecker is darker brown than its parents. Its bill is dark olive at first, but gradually takes on adult coloration after four months.[3] Its flight is strong and direct, and their call is a hissy crackling trik-quisss.[4]

Behavior

The red-billed oxpecker nests in tree holes lined with hair plucked from livestock. It lays 2–5 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.[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.

  • Perched on an impala ewe
  • adult (L) sub-adult (R) on impala
  • Clutch in a nest lined with impala hair, Kenya
  • Perched on an African buffalo

Field observations in rhinos have shown oxpeckers warning the nearsighted rhino from danger.[6]

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References
  1. BirdLife International (2018). Buphagus erythrorynchus. The IUCN Red List of Threatened Species doi:10.2305/IUCN.UK.2018-2.RLTS.T22711009A131961538.en
  2. "Buphagus erythrorhynchus (Red-billed oxpecker)". www.biodiversityexplorer.org.
  3. "Oxpeckers (Birds)". what-when-how.com.
  4. "Red-billed Oxpeckers – Beauty of Birds". www.beautyofbirds.com.
  5. Mikula P, Hadrava J, Albrecht T, Tryjanowski P. (2018). "Large-scale assessment of commensalistic–mutualistic associations between African birds and herbivorous mammals using internet photos". PeerJ. 6: e4520. doi:10.7717/peerj.4520. PMC 5863707. PMID 29576981.CS1 maint: multiple names: authors list (link)
  6. https://www.cell.com/current-biology/pdf/S0960-9822(20)30353-5.pdf

Further reading
  • Feare, Chris; Craig, Adrian (1999). Starlings and Mynas. Princeton University Press. ISBN 0-7136-3961-X.
  • Zuccon, Dario; Cibois, Anne; Pasquet, Eric; Ericson, Per G.P. (2006). "Nuclear and mitochondrial sequence data reveal the major lineages of starlings, mynas and related taxa". Molecular Phylogenetics and Evolution. 41 (2): 333–344. doi:10.1016/j.ympev.2006.05.007. PMID 16806992.
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