Mammal Guide

This guide initially displays all common mammals. Use the selectors below to view mammals of a particular shape, include rare mammals, or search for them by name.

Mammals are defined as warm-blooded vertebrates with hair or fur and sweat glands — in the females mammary glands, modified sweat glands, produce milk to nourish the young. Most mammals develop a placenta which enables the feeding of the fetus during gestation and give birth to live young. In addition, although most mammals walk on land, many have specific adaptations that allow them to swim, fly, leap between tree branches or even dig extensive tunnels. Many wild mammals are used for both food and fur. while other have been domesticated for their agricultural and scientific importance.

New Mexico ranks high for mammalian diversity in the states in the US and the Pajarito Plateau is home to many of these species. This guide describes all of the larger wildlife found in the area as well as the more common smaller animals with the most abundant being rodents. Local species range from carnivores like the mountain lion and bobcat to ruminants like elk and deer to to several varieties of bats.

Mammal References

Biota Information System of New Mexico
Bogen et al. 1998 Continued Studies of Bat Species of Concern in the Jemez Mountains, New Mexico [PDF]
eNature
Frey et al. 2006 Checklist of New Mexico Mammals [PDF]
New Mexico Tech Mammalian Field Guide
Smithsonian National Museum of Natural History North American Mammals
Threatened, Endangered and Sensitive Species Profile – Los Alamos Laboratory Lands [PDF]
Tyrell and Brack 1992 Survey for Bats in the Los Alamos National Environmental Research Park

Subject Area Experts (all guides)

Steve Cary (butterflies)
Beth Cortright (insects)
Terry Foxx (invasive plants)
Leslie Hansen (mammals)
Richard Hansen (fish, mammals)
Dorothy Hoard (butterflies, trees)
Chick Keller (flowers, herbarium)
Shari Kelley (geology)
Kirt Kempter (geology)
Garth Tietjen (reptiles)
David Yeamans (birds)

Web Development and Content Management

Pat Bacha
Jennifer Macke
Graham Mark
Akkana Peck

Contact

Please contact us for local nature questions and sightings. We welcome comments, corrections, and additions to our guides.

For more information about local nature, please visit our Nature Blog or subscribe to PEEC This Week.

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Showing 1 of 58 mammals.
male

Photo: male by Mitch Chapman

female

Photo: female by Jerry Oldenettel

Bighorn Sheep

(Ovis canadensis)

Family: Bovidae (Ruminants)
Size: 36 - 41.4 in (91 - 105 cm)

Status: native; rare
Habitat: semi-open terrain with rocky slopes, ridges and cliffs or canyons, alpine meadows, rocky canyons
Typical location: Jemez Mountains

Bighorn Sheep were reintroduced into the Jemez Mountains in 2014. They live in treeless terrain and use the steep slopes and cliffs to escape predators such as wolves, coyotes and mountain lions. They often migrate to slightly lower elevation during winter. As a ruminant, Bighorn Sheep eat grasses and shrubs. In addition, they are attracted to salt licks. They range in color from dark to light brown and have a white rump and lines down the back of all four legs. The big curved horns of the rams (upper photo) give the sheep their common name; whereas ewes (lower photo) have short horns with little curvature. Males and females live in separate groups or small herds except during mating season.

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