Family New World Blackbirds (Icteridae)

Least Concern

Scarlet-rumped Cacique (Cacicus microrhynchus)


French: Cassique à bec mince German: Scharlachbürzelkassike Spanish: Cacique lomiescarlata

Cassiculus microrhynchus

P. L. Sclater and Salvin

, 1865,

Panama Railway, possibly Lion Hill Station, Panama


Sometimes regarded as conspecific with C. uropygialis, but differs notably in both voice and size (much shorter wings and tail); hitherto treated as conspecific with C. pacificus (which see). Monotypic.


E Honduras S in Caribbean lowlands (in Costa Rica and Panama also locally in Pacific lowlands) to E Panama (San Blas).

Descriptive notes

Male 23 cm and 62·5–71·7 g, female 20 cm and 50–57·6 g. Adult is mostly black with slight gloss; small bright red patch on rump (often... read more


Song (by both sexes, from nest) a series of clear whistles, variable, sometimes shrill in tone and... read more


Humid forest, primary forest and old second growth; also nearby shady plantations and clearings.... read more

Food and feeding

Insects and other arthropods, small vertebrates, and fruit and nectar. Reported as raiding wasp (Vespidae) nests and eating the larvae.... read more


Season Feb–Jun in Costa Rica and Feb–Aug in Panama; possibly double-brooded. Apparently monogamous. Solitary breeder in Costa... read more


Apparently resident.

Status and conservation

Not assessed. Unlikely to be at any risk. Abundant in most of range. Found in several national parks and other protected areas.

Recommended citation

Fraga, R. (2020). Scarlet-rumped Cacique (Cacicus microrhynchus). 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 on 25 February 2020).