Tropical Boubou

Laniarius major

The tropical boubou or bell shrike (Laniarius aethiopicus) is a medium-sized passerine bird of sub-Saharan Africa. This very diverse "species" with its numerous subspecies and morphs has since long posed a taxonomic problem, and recent research suggests it is a cryptic species complex that has now been split into several species. The tropical boubou is fairly large for its family (bushshrikes), measuring 23–25 cm in length. Females are on average a bit smaller than males, but individual variation is so large that for most practical purposes the sexes seem to be of identical size. The wing measures about 98 mm on average (between 85 and 110), the tail is a mere two millimetres longer both on average and as regards variation. The tarsus is 29–37 mm long, 33 mm on average, while the bill's exposed culmen measures a little over 20 mm in some populations and as much as 25 mm in others. Unlike the other measurements where there is mostly individual variation, the bill length might distinctly vary between subspecies. Not only are males and females the same size, they have identical plumage too. The adults' upper parts and tail are glossy blue-black except for concealed white spots on the rump, visible only when the wings are spread and the rump feathers are erected. The underparts are white, in some populations with a buffy or pinkish tinge on the breast and flanks, which is not always noticeable except in good light. The wings of most subspecies have a white stripe on the wing coverts, in some extending onto the secondary remiges. The tips of the outer tail feathers can be white in some subspecies. The bill is black, the legs and feet bluish grey. The irides are dark reddish brown.
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Tropical Boubous on Birda

Photos

Sightings

A map showing the sighting location
🦢
Craig Clow
Wednesday 01 Mar 2023 - 4:05pm
Malawi
A map showing the sighting location
🦢
Trevor Kleyn
Monday 13 Feb 2023 - 3:44am
Botswana
A map showing the sighting location
🦢
Trevor Kleyn
Sunday 12 Feb 2023 - 4:37am
Botswana
A map showing the sighting location
🦢
Trevor Kleyn
Friday 10 Feb 2023 - 2:47pm
Botswana
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