Family Bulbuls (Pycnonotidae)

Least Concern

Red-tailed Greenbul (Criniger calurus)


Taxonomy

French: Bulbul à barbe blanche German: Rotschwanz-Haarbülbül Spanish: Bulbul colirrojo
Taxonomy:

Trichophorus calurus

Cassin

, 1856,

Mondah River, Gabon

.

Has often been regarded as conspecific with C. ndussumensis owing to similarity in appearance, but the two differ both vocally and morphologically. Published reports of hybridization between latter and race emini of present species in NE DRCongo seem to be based on observation of individuals apparently showing combination of characters then thought to be restricted to each form. Three subspecies recognized.

Subspecies and Distribution
  • C. c. verreauxi Sharpe, 1871 – SW Senegal and SE Guinea-Bissau E to S Benin#R and SW Nigeria.
  • C. c. calurus (Cassin, 1856) – SW Nigeria E to W DRCongo, also Bioko.
  • C. c. emini Chapin, 1948 – W DRCongo and NE Angola E to Uganda.
  • Descriptive notes

    c. 20 cm; 26–32·5 g (nominate); male 33–40·5 g, female 33–37·5 g (verreauxi), male 22–34 g, female 25–30 g (emini). Handsome... read more

    Voice

    Song a cheerful, rising “chup-chup-chwirulup” or “tsik-tyu-tyip”; also a rapid series, “tyutyu­... read more

    Habitat

    Evergreen and semi-deciduous forest, gallery forest and forest-savanna mosaic; also older secondary... read more

    Food and feeding

    Arthropods, including beetles (Coleoptera), bugs (Hemiptera), orthopterans, lepidopterans (including caterpillars), ants (Hymenoptera),... read more

    Breeding

    Juveniles in Nov–Jan and birds in breeding condition Jun–Jul, Sept and Nov in Liberia; dependent juvenile in May in Ivory Coast... read more

    Movements

    Resident. Of 50 individuals ringed in Gabon, 22 were retrapped at same place, one after 25 months... read more

    Status and conservation

    Not globally threatened. Common and widespread throughout its extensive range. Estimated to occur in densities of 12 groups/km² in Gabon and 1 bird/5 ha in Nigeria. Adapts... read more

    Recommended citation

    Fishpool, L. & Tobias, J. (2017). Red-tailed Greenbul (Criniger calurus). 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 http://www.hbw.com/node/58009 on 23 September 2017).