Family Nightjars (Caprimulgidae)

Least Concern

Buff-collared Nightjar (Antrostomus ridgwayi)


Taxonomy

French: Engoulevent de Ridgway German: Braunhals-Nachtschwalbe Spanish: Chotacabras tucuchillo
Taxonomy:

Antrostomus ridgwayi

Nelson

, 1897,

Guerrero, Mexico

.

Two subspecies recognized.

Subspecies and Distribution
  • A. r. ridgwayi Nelson, 1897 – extreme SW USA (SE Arizona and SE New Mexico) S to W & S Mexico (to Chiapas).
  • A. r. troglodytes (Griscom, 1930) – C Guatemala, C Honduras and C Nicaragua.
  • Descriptive notes

    21·5–24·5 cm; male 45–54 g, female 45–53 g. Sexually dimorphic. Upperparts greyish-brown streaked blackish-brown; crown boldly spotted... read more

    Voice

    Song of male is an accelerating “cuk, cuk, cuk, cuk, cuk, chuka-cheea” or “tok, tok, tek, tek, tek... read more

    Habitat

    Typically rocky, arid or semi-arid areas, in deciduous forest, mixed forest of pine and oak, second... read more

    Food and feeding

    Feeds on beetles, moths and other insects. Hunts by making short flycatching sallies from ground or elevated perches, including tree... read more

    Breeding

    Poorly documented. Possibly breeds Mar–Aug in SW USA and Mexico. Territorial. Nest-site often partly shaded by vegetation; no nest,... read more

    Movements

    Poorly known. Nominate race sedentary in S of range, partly migratory in N, small numbers summering... read more

    Status and conservation

    Not globally threatened. Possibly undergoing a slight range expansion to N. Probably rare summer visitor in SW USA, where first reported in 1958 and recorded only from Pima,... read more

    Recommended citation

    Cleere, N. (2017). Buff-collared Nightjar (Antrostomus ridgwayi). 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/55192 on 17 November 2017).