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Arcanatoridae - Dapple-throat & Allies

Dapple-throat
Dapple-throat Arcanator orostruthus ©USFWS Website

Arcanatoridae is a family of just three birds that includes the Dapple-throat.

They were formerly included in Promeropidae until recent DNA studies confirmed their status as related, but a separate family. They are sister to the sugarbirds, both are basal Passeroidea.

The dapple-throat or dappled mountain-robin Arcanator orostruthus is found in Mozambique and Tanzania; the spot-throat Modulatrix stictigula is found in northern Malawi and Tanzania; the grey-chested babbler Kakamega poliothorax, also known as the grey-chested illadopsis, is found in Burundi, Cameroon, Democratic Republic of the Congo, Equatorial Guinea, Kenya, Nigeria, Rwanda, and Uganda. Their natural habitat is subtropical or tropical moist montane forests. All three are threatened by habitat loss, although the later, being widespread, is less vulnerable.

They are:

Dapple-throat Arcanator orostruthus

Spot-throat Modulatrix stictigula

Grey-chested Kakamega (Grey-chested Babbler) Kakamega poliothorax

Family Links

Dapple-throat & Allies Arcanatoridae

Family Account

Arcanatoridae make up a small family of passerine birds which are restricted to Africa.

Dapple-throat & Allies Arcanatoridae

Images

Species Links

Dapple-throat Arcanator orostruthus

BirdLife Species Account

Dapple-throat Arcanator orostruthus

Species Account

The dapple-throat or dappled mountain-robin (Arcanator orostruthus) is a species of bird in the Arcanatoridae family. It is found in Mozambique and Tanzania. Its natural habitat is subtropical or tropical moist montane forests. It is threatened by habitat loss.

Dapple-throat Arcanator orostruthus

Species Account

Sound archive and distribution map

Dapple-throat Arcanator orostruthus

HBW Species Account

Taxonomy: Phyllastrephus orostruthus Vincent, 1933, Mount Namuli, Mozambique. Affinities uncertain. Frequently placed in genus Modulatrix, but thought not to belong in present family; has been considered to be a bulbul (Pycnonotidae) or a chat (Turdidae), but recent ­molecular studies suggest that it is closest to the sugarbirds (Promeropidae). Further research needed. Three subspecies recognized.

Dapple-throat Arcanator orostruthus

IUCN Species Status

17 cm. Medium-sized, drab robin of forest. Olive-brown upper parts. Paler, lemon yellow, broadly spotted underparts. Slender bill has pale base. Rusty tinge on outer tail.

Dapple-throat Arcanator orostruthus

IUCN Species Status

17 cm. Medium-sized, drab robin of forest. Olive-brown upper parts. Paler, lemon yellow, broadly spotted underparts. Slender bill has pale base. Rusty tinge on outer tail.

Grey-chested Kakamega Kakamega poliothorax

Species Account

The grey-chested babbler (Kakamega poliothorax), also known as the grey-chested illadopsis, is a species of bird in the Arcanatoridae family. It is the only species in its genus. It is found in Burundi, Cameroon, Democratic Republic of the Congo, Equatorial Guinea, Kenya, Nigeria, Rwanda, and Uganda. Its natural habitat is subtropical or tropical moist montane forests.

Grey-chested Kakamega Kakamega poliothorax

HBW Species Account

Taxonomy: Alethe poliothorax Reichenow, 1900, Bangwa [c. 5°15' N 10°25' E], Cameroon. Affinities uncertain. Has been placed in genus Malacocincla, and possibly belongs in Modulatrix; recent molecular research indicates possible relationship with the sugarbirds (Promeropidae), whereas some evidence suggests that it may belong in the thrush family (Turdidae). More study needed. Despite fragmented distribution, geographical variation virtually non-existent. Monotypic.

Grey-chested Kakamega Kakamega poliothorax

Species Account

Sound archive and distribution map

Grey-chested Kakamega Kakamega poliothorax

BirdLife Species Account

Grey-chested Kakamega Kakamega poliothorax

IUCN Species Status

The global population size has not been quantified, but the species is reported to be scarce to common (Fry and Keith 2004).

Spot-throat Modulatrix stictigula

BirdLife Species Account

Spot-throat Modulatrix stictigula

Species Account

Sound archive and distribution map

Spot-throat Modulatrix stictigula

HBW Species Account

Taxonomy: Turdinus stictigula Reichenow, 1906, Mbaramo, Usambara, Tanzania. Affinities uncertain. Thought not to be belong in present family; has been considered to belong with the bulbuls (Pycnonotidae) or the thrushes (Turdidae), but recent molecular studies suggest that it is closest to the sugarbirds (Promeropidae). Further research needed. Proposed race pressa (from S of range) considered undiagnosable, as characters on which it was based (and others, more recently used) are not apparent in large series of specimens. Treated as monotypic.

Spot-throat Modulatrix stictigula

Species Account

The spot-throat (Modulatrix stictigula) is a species of bird in the Arcanatoridae family. It is found in northern Malawi and Tanzania. Its natural habitat is subtropical or tropical moist montane forests.