Family Tyrant-flycatchers (Tyrannidae)

Least Concern

Chestnut-naped Ground-tyrant (Muscisaxicola occipitalis)


Taxonomy

French: Dormilon à calotte marron German: Rubinscheitel-Grundtyrann Spanish: Dormilona nuquiparda
Taxonomy:

Muscisaxicola occipitalis

Ridgway

, 1887,

Lake Titicaca

.

Hitherto treated as conspecific with M. rufivertex, but differs in its darker (chestnut vs rufous) crown (2); much more extensive white lores and frontal supercilium (2); paler slaty uppertail (1); browner upperparts (ns[1]); longer wing (effect size 3.52, score 2). Monotypic.

What do (1) and (2) mean? Learn more about the scoring system.
Distribution:

Peru (C Cajamarca to Ayacucho and Puno) and NW Bolivia (La Paz, Cochabamba).

Descriptive notes

16–17 cm. Very pale ashy grey-coloured ground-tyrant, with marginally darker wings, obviously darker tail and contrasting rufous crown that is only obvious plumage feature.... read more

Voice

Call a sharply upslurred but melodious “weet”; it is unknown whether there any vocal differences... read more

Habitat

Found in open country in Andes, favouring areas of short grassland with rocky outcrops, often in... read more

Food and feeding

Not well known, but no known differences from M. rufivertex.

Breeding

Virtually nothing known. Nest made of plant material, internal open cup of small straws, lined with feathers and hair, placed in crack... read more

Movements

Apparently resident.

Status and conservation

Not globally threatened (Least Concern). Uncommon to locally common. Occurs in Machu Picchu Historical Sanctuary and Huascarán National Park, both in Peru. No known threats.

Recommended citation

del Hoyo, J., Collar, N. & Kirwan, G.M. (2018). Chestnut-naped Ground-tyrant (Muscisaxicola occipitalis). 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/1343722 on 12 December 2018).