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Year of most recent IBA criteria assessment: 2015

Populations of IBA trigger species

Species	Current IUCN Red List Category	Season	Year(s) of estimate	Population estimate	IBA Criteria Triggered
Snow Goose Anser caerulescens	LC	winter	1981-2001	70,905-76,000 individuals	A4i
Ross's Goose Anser rossii	LC	non-breeding	1981-2001	5,000-15,000 individuals	A4i
Greater White-fronted Goose Anser albifrons	LC	winter	1999-2003	24,335 individuals	A4i
Redhead Aythya americana	LC	non-breeding	1981-2001	min 9,335 individuals	A4i
Gadwall Mareca strepera	LC	non-breeding	1981-2001	10,000-22,000 individuals	A4i
American Wigeon Mareca americana	LC	non-breeding	1981-2001	15,000-22,300 individuals	A4i
Northern Pintail Anas acuta	LC	winter	1937-1998	19,000-28,000 individuals	A4i
Green-winged Teal Anas carolinensis	LC	non-breeding	1981-2001	14,260-22,000 individuals	A4i
Whooping Crane Grus americana	EN	winter	2013	2-5 individuals	A1, A4i
American White Pelican Pelecanus erythrorhynchos	LC	non-breeding	2009	4,500 individuals	A4i
Mountain Plover Charadrius montanus	NT	winter	2013	280-540 individuals	A1, A4i
Long-billed Curlew Numenius americanus	LC	winter	2013	1,600-2,400 individuals	A4i
A4iii Species group - waterbirds	n/a	-	-	100,000-499,999 individuals	A4iii

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

Protected Area	Designation	Area (ha)	Relationship with IBA	Overlap with IBA (ha)
Reserva Privada de Conservación Rancho San Luis	Zona Especial Sujeta a Conservación Ecológica	3,000	protected area contained by site	3,000
Reserva Privada de Conservación Rancho Ojo de Federico	Zona Especial Sujeta a Conservación Ecológica	9,830	protected area contained by site	9,830
Reserva Privada de Conservación Rancho Manantiales de Valerio	Zona Especial Sujeta a Conservación Ecológica	8,400	protected area contains site	8,400
Reserva Privada de Conservación Rancho La Tecolota	Zona Especial Sujeta a Conservación Ecológica	3,000	protected area contained by site	3,000
Reserva Privada de Conservación Rancho La Laguna	Zona Especial Sujeta a Conservación Ecológica	3,804	protected area contained by site	3,804
Reserva Privada de Conservación Rancho El Fresno	Zona Especial Sujeta a Conservación Ecológica	10,000	protected area contained by site	10,000
Reserva Ejidal de Conservación Ejido Ascensión	Other	4,100	protected area contained by site	4,100

IUCN Habitat	Habitat detail	Extent (% of site)
Desert	Desert	-
Grassland		-
Other		-
Shrubland		-

For further information about the habitat classification please click here.

Land-use	Extent (% of site)
agriculture	-

For further information about the land use classification please click here.

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Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Complejo de Humedales del Noroeste de Chihuahua. Downloaded from http://www.birdlife.org on 20/01/2022.