Family Ground-rollers (Brachypteraciidae)

Vulnerable

Scaly Ground-roller (Geobiastes squamiger)


Taxonomy

French: Brachyptérolle écaillé German: Schuppenerdracke Spanish: Carraca terrestre escamosa
Taxonomy:

Brachypteracias squamigera

Lafresnaye

, 1838,

Madagascar

.

Monotypic.

Distribution:

E Madagascar, from Marojejy National Park and Anjanaharibe Sud Special Reserve in N to Andohahela National Park in S.

Descriptive notes

25–32 cm; male 145–165 g, female 137·5–140 g. Second-largest rainforest ground-roller, plump and long-legged. Both sexes have head and underparts... read more

Voice

Territorial call, given only in Sept–Jan, a series of soft, hollow “whoo-oop” or... read more

Habitat

Occupies humid lowland to lower mid-altitude rainforest, with a marked predilection for undisturbed... read more

Food and feeding

Invertebrates, mainly earthworms (Pheretima sp., Megascoleidae), but also ants, beetles, caterpillars, centipedes (Scolopendra... read more

Breeding

Season Sept–Jan (laying mid-Oct–early Nov in one study); some pairs may not breed every year. Probably monogamous and... read more

Movements

Generally sedentary, but in one area abundance noted to change with weather and associated drying-... read more

Status and conservation

VULNERABLE. Overall population estimated at 1500–7000 mature individuals within range of 21,300 km2. Restricted-range species: present in East Malagasy Wet Forests EBA... read more

Recommended citation

Langrand, O. & Kirwan, G.M. (2019). Scaly Ground-roller (Geobiastes squamiger). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from https://www.hbw.com/node/55866 on 18 June 2019).