Family Nightjars (Caprimulgidae)

Least Concern

Buff-collared Nightjar (Antrostomus ridgwayi)


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

Antrostomus ridgwayi


, 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


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


    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


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


    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. (2020). 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 on 16 February 2020).