LC
Mexican Whip-poor-will Antrostomus arizonae



Taxonomy

Taxonomic note
Antrostomus arizonae (del Hoyo and Collar 2014) was previously placed in the genus CaprimulgusCaprimulgus vociferus (Sibley and Monroe 1990, 1993) was previously split into C. vociferus and C. arizonae following AOU (2010).

Taxonomic source(s)
del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A. and Fishpool, L.D.C. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 1: Non-passerines. Lynx Edicions BirdLife International, Barcelona, Spain and Cambridge, UK.

IUCN Red list criteria met and history
Red List criteria met
Critically Endangered Endangered Vulnerable
- - -

Red List history
Year Category Criteria
2020 Least Concern
2016 Least Concern
2012 Least Concern
2011 Least Concern
2008 Not Recognised
2004 Not Recognised
2000 Not Recognised
1994 Not Recognised
1988 Not Recognised
Species attributes

Migratory status full migrant Forest dependency high
Land mass type Average mass -
Distribution

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 3,370,000
Extent of Occurrence non-breeding (km2) 1,470,000
Number of locations -
Severely Fragmented -
Population and trend
Value Data quality Derivation Year of estimate
No. of mature individuals 320000 poor estimated 2019
Population trend decreasing suspected -
Decline (3 years/1 generation past) - - -
Decline (5 years/1 generation past) - - -
Decline (10 years/1 generation past) - - -
Decline (10 years/3 generation future) - - -
Decline (10 years/3 generation past and future) - - -
Number of subpopulations - - -
Percentage in largest subpopulation - - -
Generation length (yrs) 3.6 - - -

Population justification: The global population is estimated to number 320,000 mature individuals (Partners in Flight 2019). The species is considered to be fairly common to common.

Trend justification:

The species is undergoing a moderate decline (Partners in Flight 2019), which is thought to be caused by low levels of habitat loss (Tracewski et al. 2016).


Country/territory distribution
Country/Territory Presence Origin Resident Breeding Non-breeding Passage
El Salvador extant native yes
Guatemala extant native yes
Honduras extant native yes
Mexico extant native yes yes
USA extant native yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Forest Subtropical/Tropical Dry major resident
Forest Subtropical/Tropical Moist Montane suitable non-breeding
Altitude 1400 - 3000 m Occasional altitudinal limits (min) 500 m

Recommended citation
BirdLife International (2023) Species factsheet: Antrostomus arizonae. Downloaded from http://datazone.birdlife.org/species/factsheet/mexican-whip-poor-will-antrostomus-arizonae on 01/06/2023. Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from http://datazone.birdlife.org on 01/06/2023.