Sooty-capped bush tanager

The sooty-capped bush tanager or sooty-capped chlorospingus (Chlorospingus pileatus) is a small passerine bird traditionally placed in the family Thraupidae, but now viewed closer to Arremonops in the Passerellidae. This bird is an endemic resident breeder in the highlands of Costa Rica and western Panama.

Sooty-capped bush tanager
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Passerellidae
Genus: Chlorospingus
Species:
C. pileatus
Binomial name
Chlorospingus pileatus
Salvin, 1864

The sooty-capped bush tanager is found in mossy mountain forests, second growth and adjacent bushy clearings, typically from 1600 m altitude to above the timberline. The bulky cup nest is built on bank, in a dense bush, or hidden amongst epiphytes up to 11 m high in a tree. The normal clutch is two pink-brown eggs marked with white.

The adult sooty-capped bush tanager is 13.5 cm long and weighs 20g. The adult has a blackish head with a white supercilium and a grey throat. It has olive upperparts and yellow underparts, becoming white on the belly. Some individuals in the Irazu-Turrialba area are greyer and lack yellow in the underparts. Immatures are browner-headed, duller below, and have a duller olive-tinged supercilium. This species is easily distinguished from common bush tanager by its blacker head and obvious supercilium.

Sooty-capped bush tanagers occur in small groups, or as part of a mixed-species feeding flock. This species feeds on insects, spiders and small fruits.

The sooty-capped bush tanager's call is a high tseet tseet, and the song is a scratchy seechur seechur see see seechur seechur with variations.

References
  1. BirdLife International (2012). "Chlorospingus pileatus". IUCN Red List of Threatened Species. 2012. Retrieved 26 November 2013.CS1 maint: ref=harv (link)
  • Stiles and Skutch, A guide to the birds of Costa Rica ISBN 0-8014-9600-4
  • Garrigues and Dean, The Birds of Costa Rica - A Field Guide ISBN 978-0-8014-7988-5
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