Mexican Gray Wolf (Canis lupus baileyi)

By Clark, Jim (U.S. Fish and Wildlife Service) – [1], Public Domain

Mexican Wolf (Canis lupus baileyi ) – (Nelson and Goldman 1929)

Common Names: El Lobo, lobo gris

Overall population: 113 (2016 winter)

Physical description: Mexican wolves weigh between 60-80 lbs; Males are typically heavier and taller than the females.

Original range – southeastern Arizona, southern New Mexico, western Texas and central and northern Mexico
Current range – Apache-Sitgreaves National Forest, the Gila National Forest and the Fort Apache Indian Reservation

Habitat / Ecology / Prey:
Habitat – mountain forests, grasslands and scrublands
Prey – elk (Cervis canadensis) (Cervus elaphus nelsoni), white-tailed deer (Odocoileus virginianus), mule deer (Odocoileus hemionus), peccaries “javelinas” (Tayassu tajacu), rabbits (Sylvilagus spp.), hares (Lepus spp.)  and ground squirrels and mice?

Unique behaviors:

Legal and Cultural Background:

Lobos of the Southwest
Grand Canyon Wolf Recovery Project (Flagstaff, Arizona)
Center for Biological Diversity (Multi-State, Tucson, Arizona)
Endangered Wolf Center (Eureka, Missouri)
The Rewilding Institute (Albuquerque, New Mexico)
Western Environmental Law Center (Eugene, Oregon; Helena, Montana; Taos. New Mexico)
Naturalia – Non-profit group collaborating on Mexico’s wolf reintroduction efforts
Lobo MexicanoFundacion Lince: En Pro de La Biodiversidad
Centro Ecológico del Estado de Sonora (CEDES) Ecological Center of Sonora (CEDES)
recuperación del lobo mexicano el Comité Binacional para la Recuperación del Lobo Mexicano.
WWF  Lobo Mexicano

Taxonomic/Genetic Information:


Further Reading

Journal Articles/ Scientific Publications:

Effect of Canine Parvovirus and Canine Distemper Virus on the Mexican Wolf (Canis lupus baileyi) Population in the USA. Justice-Allen A, Clement MJ. Journal of wildlife diseases. 2019 Feb

Predicting spatial factors associated with cattle depredations by the Mexican wolf (Canis lupus baileyi) with recommendations for depredation risk modeling. Amirkhiz RG, Frey JK, Cain III JW, Breck SW, Bergman DL. Biological conservation. 2018 Aug

An Individual-Based Model for Predicting Dynamics of a Newly Established Mexican Wolf (Canis lupus baileyi) Population;JV Gedir, JW Cain – 2018

[HTML] Perils of recovering the Mexican wolf outside of its historical range
EA Odell, JR Heffelfinger, SS Rosenstock, CJ Bishop… – Biological Conservation, April 2018

Genome-Wide Analysis of SNPs Is Consistent with No Dom; estic Dog Ancestry in the Endangered Mexican Wolf (Canis lupus baileyi) RR Fitak, SE Rinkevich, M Culver – Journal of Heredity, 21 March 2018

Mexican wolves are a valid subspecies and an appropriate conservation target
RJ Fredrickson, PW Hedrick, RK Wayne… – Journal of …, 2015 –

Trophic Cascades and Conservation: Analyzing the San Juan National Forest as a Potential Extension of the Mexican Gray Wolf Recovery Program
R Utt – 2017

Clarifying historical range to aid recovery of the Mexican wolf; JR Heffelfinger, RM Nowak… – The Journal of Wildlife …, 2017 – Wiley Online Library

Long-term quantification of faecal glucocorticoid metabolite concentrations reveals that Mexican grey wolves may habituate to captivity; I Escobar-Ibarra, L Mayagoitia-Novales… – The European …, 2017 – Taylor & Francis

Genetic management and setting recovery goals for Mexican wolves (Canis lupus baileyi) in the wild; LE Harding, J Heffelfinger, D Paetkau, E Rubin… – Biological …, 2016 – Elsevier

Serosurvey of vector-borne diseases in the Mexican wolf (Canis lupus baileyi) in captivity; F Morales-Soto, C García-De la Peña… – Archivos de Medicina …, 2016 –

Variations in the locomotor activity of the Mexican wolf (Canis lupus baileyi) respect to moon periodicity: A study in an outdoor enclosure; JCS Ferrer, J Servin, R Lopez-Wilchis – 2016 –

The Effects of Crowd Size and Keeper Presence on the Stereotypic Pacing of Mexican Gray Wolves (Canis lupus baileyi);M MacDonald – 2016 –

Estudio serológico de enfermedades transmitidas por vectores en el lobo mexicano (Canis lupus baileyi) en cautiverio; F Morales-Soto, RI Rodríguez-Vivas… – Archivos de medicina …, 2016 – SciELO Chile