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.
Bushy-tailed Woodrat

Photo: latraydean

Bushy-tailed Woodrat, Packrat

(Neotoma cinerea)

Family: Cricetidae (New World Rats and Mice, Voles, Hamsters, and Relatives)
Size: 11.5 - 18.5 in (29 - 47 cm)

Status: native; common
Habitat: rocky areas, canyons, coniferous forests, alpine and subalpine habitats

These woodrats, also known as packrats, have large ears and long, bushy tails. They are good climbers and use their tails for balance while climbing and jumping. Bushy-tailed Woodrats are solitary and highly territorial. Both males and females use a musky substance to mark their territories. They are active throughout the year and are primarily nocturnal. They prefer green vegetation but will eat twigs, fruits, seeds, mushrooms and even insects. These woodrats gather a variety of sticks, leaves, grass, feathers, stones, etc. to build a large shelter around a tree or rock crevice. This den serves to protect them from predators and acts as an eating platform. Within the den there are various tunnels and chambers used for nesting and food storage.

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