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Tropical Boubou

From Opus

Laniarius major
Photo by JWN AndrewesLake Naivasha, Kenya, June 2006
Photo by JWN Andrewes
Lake Naivasha, Kenya, June 2006

Contents

[edit] Identification

23 to 25 cm

  • Glossy blue-black upperparts and tail
  • White spots on the rump
  • White underparts with buffy or pink tinge on the breast and flanks
  • Black bill
  • Dark reddish-brown eyes
  • The wings have white markings that vary, depending on subspecies
  • There is an all-black morph in a small area of coastal Kenya
ssp ambiguusPhoto by Steve GMount Kenya, Kenya, July 2010
ssp ambiguus
Photo by Steve G
Mount Kenya, Kenya, July 2010

Juveniles: similar but duller

  • Grey-brown bill
  • Upperparts mottled by yellowish-ochre to tawny feather tips
  • Dusky-barred flanks

[edit] Distribution

Sub-Saharan Africa, as far south as 25ºS.

[edit] Taxonomy

There are four subspecies:[1]

  • L. a. major
  • L. a. ambiguus
  • L. a. limpopoensis
  • L. a. mossambicus

Formerly considered conspecific with Ethiopian Boubou under the scientific name Laniarius aethiopicus .
Molecular sequence data indicate that Somali Boubou and Zanzibar Boubou are separate species.3 Furthermore Bulo Burti Boubou has been shown to be synonymous with Somali Boubou.

[edit] Habitat

Forest and forest-edge, savanna woodland. In the drier parts of its range, the only suitable habitat is riparian forest. Also found in gardens and thickets.

[edit] Behaviour

[edit] Diet

The diet includes large insects, arthropods, small mammals, reptiles, and amphibians. It robs nests for the eggs and occasionally eats snails and fruit. They hold large prey down with the foot whilst eating. Like other bush-shrikes, it impales prey on thorns to eat later.

[edit] Breeding

Both sexes build the cup shaped nest of twigs, tendrils, and small roots held together with spider web, but the female does more of the work. The clutch consists of 2-3 bluish to buffy green eggs with brown and lilac spots. They are incubated by both adults for about 15 days. Nestlings fledge after a similar period. Both sexes feed the young.

[edit] References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2017. The eBird/Clements checklist of birds of the world: v2017, with updates to August 2017. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  2. Gill, F and D Donsker (Eds). 2014. IOC World Bird Names (version 4.3). Available at http://www.worldbirdnames.org/.
  3. Nguembock B, Fjeldså J, Couloux A & Pasquet E. 2008. Phylogeny of Laniarius: molecular data reveal L. liberatus synonymous with L. erlangeri and "plumage coloration" as unreliable morphological characters for defining species and species groups. Molecular Phylogenetics and Evolution 48, 396-407.
  4. Wikipedia
  5. BF Member observations

[edit] External Links

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