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Cricetidae - New World rats, mice, voles, muskrats, lemmings, hamsters

Deer MouseThis is the largest family of rodents and the second largest family of mammals! There are 698 species in this diverse family that includes mice, rats, voles, lemmings, and hamsters. They are found in North America, South America, Europe, and Asia. They are found in a variety of habitats including swamps, grasslands, tundra, deciduous forests, coniferous forests, rainforests, deserts, wetlands, mountains, and suburban, and urban areas.

The rodents in this family range in size from tiny mice to the muskrat. Most species have rounded ears, short bodies, long tails, and big eyes. Cricetids usually have brown or gray fur. Most species have large litters of babies and can breed when they are just a few months old. Most species only live for a year or two and are prey for a number of predators. Many species are nocturnal. Some species live above ground, other species burrow underground, and other species live in trees. Some species spend a lot of time in the water. Some species are solitary and other species live in groups. Some cricetids are herbivores, other are carnivores, and some are omnivores!

World Status Key
Least ConcernLeast Concern Near ThreatenedNear Threatened VulnerableVulnerable EndangeredEndangered Critically EndangeredCritically Endangered extinct in the wildExtinct in the Wild extinctExtinct
Status and range is taken from ICUN Redlist. If no status is listed, there is not enough data to establish status.

US Status Key
Threatened in US Threatened in US Threatened in New Hampshire Threatened in NH Endangered in US Endangered in US Endangered in NH Endangered in NH Introduced Introduced
Status taken from US Fish and Wildlife and NH Fish and Game

New Hampshire Species


 North/Central American Species

North American Deer Mouse-Peromyscus maniculatus Least Concern
Meadow Vole - Microtus pennsylvanicus Least Concern
Muskrat - Ondatra zibethicus Least Concern
Northern Bog Lemming - Synaptomys borealis Least Concern
Rock Vole - Microtus chrotorrhinus Least Concern
Southern Bog Lemming - Synaptomys cooperi Least Concern
Southern Red-backed Vole - Myodes gapperi Least Concern
White-footed Mouse - Peromyscus leucopus Least Concern
Woodland Vole - Microtus pinetorum Least Concern
  White-throated Woodrat - Neotoma albigula Least Concern
Bushy-tailed Woodrat - Neotoma cinerea Least Concern
Arizona Woodrat - Neotoma devia Least Concern
Key Largo Woodrat - Neotoma floridana Least Concern
San Joaquin Valley Woodrat - Neotoma fuscipes Least Concern
Desert Woodrat - Neotoma lepida Least Concern
White-toothed Woodrat - Neotoma leucodon Least Concern
Large-eared Woodrat - Neotoma macrotis Least Concern
Allegheny Woodrat - Neotoma magister Near Threatened
Mexican Woodrat - Neotoma mexicana Least Concern
Southern Plains Woodrat - Neotoma micropus Least Concern
Stephen's Woodrat - Neotoma stephensi Least Concern
Golden Mouse - Ochrotomys nuttalli Least Concern
Mearns's Grasshopper Mouse - Onychomys arenicola Least Concern
Northern Grasshopper Mouse - Onychomys leucogaster Least Concern
Southern Grasshopper Mouse - Onychomys torridus Least Concern
Coues's Rice Rat - Oryzomys couesi Least Concern
Marsh Rice Rat - Oryzomys palustris Least Concern
Texas Deermouse - Peromyscus attwateri Least Concern
Brush Mouse - Peromyscus boylii Least Concern
California Mouse - Peromyscus californicus Least Concern
Canyon Mouse - Peromyscus crinitus Least Concern
Cactus Mouse - Peromyscus eremicus Least Concern
Northern Baja Deermouse - Peromyscus fraterculus Least Concern
Key Largo Cotton Mouse - Peromyscus gossypinus Least Concern
Osgood's Mouse - Peromyscus gratus Least Concern
Northwestern Deermouse - Peromyscus keeni Least Concern
White-footed Mouse - Peromyscus leucopus Least Concern
Black-eared Mouse - Peromyscus melanotis Least Concern
Mesquite Mouse - Peromyscus merriami Least Concern
Northern Rock Mouse - Peromyscus nasutus Least Concern
White-ankled Mouse - Peromyscus pectoralis Least Concern
Choctawhatchee Beach Mouse - Peromyscus polionotus Least Concern
Pinyon Mouse - Peromyscus truei Least Concern
Western Heather Vole - Phenacomys intermedius Least Concern
Eastern Heather Vole - Phenacomys ungava Least Concern
Florida Deermouse - Podomys floridanus Vulnerable
Fulvous Harvest Mouse - Reithrodontomys fulvescens Least Concern
Eastern Harvest Mouse - Reithrodontomys humulis Least Concern
Southern Marsh Harvest Mouse-Reithrodontomys megalotis Least Concern
Plains Harvest Mouse - Reithrodontomys montanus Least Concern
Saltmarsh Harvest Mouse - Reithrodontomys raviventris Endangered

 North/Central American Species

White-footed Vole - Arborimus albipes Least Concern
Red Tree Vole - Arborimus longicaudus Near Threatened
California Red Tree Mouse - Arborimus pomo Near Threatened
Northern Pygmy Mouse - Baiomys taylori Least Concern
Northern Collared Lemming-Dicrostonyx groenlandicus Least Concern
Ungava Collared Lemming - Dicrostonyx hudsonius Least Concern
Nelson's Collared Lemming - Dicrostonyx nelsoni Least Concern
Ogilvie Mountains Collared Lemming-Dicrostonyx nunatakensis Least Concern
Richardson's Collared Lemming - Dicrostonyx richardsoni Least Concern
Umnak Island Collared Lemming - Dicrostonyx unalascensis
Sagebrush Vole - Lemmiscus curtatus Least Concern
Siberian Brown Lemming - Lemmus sibiricus Least Concern
Brown Lemming - Lemmus trimucronatus Least Concern
Insular Vole - Microtus abbreviatus Least Concern
Beach Vole - Microtus breweri Vulnerable
California Vole - Microtus californicus Least Concern
Gray-tailed Vole - Microtus canicaudus Least Concern
Southern Rock Vole - Microtus chrotorrhinus Least Concern
San Bernardino Long-tailed Vole - Microtus longicaudus Least Concern
Mexican Vole - Microtus mexicanus Least Concern
Singing Vole - Microtus miurus Least Concern
Pahranagat Valley Montane Vole - Microtus montanus Least Concern
Prairie Vole - Microtus ochrogaster Least Concern
Tundra Vole - Microtus oeconomus Least Concern
Creeping Vole - Microtus oregoni Least Concern
Woodland Vole - Microtus pinetorum Least Concern
Water Vole - Microtus richardsoni Least Concern
Triangle Island Vole - Microtus townsendii Least Concern
Taiga Vole - Microtus xanthognathus Least Concern
Western Red-backed Vole - Myodes californicus Least Concern
Revillagigedo Island Red-backed Vole - Myodes gapperi Least Concern
Northern Red-backed Vole - Myodes rutilus Least Concern
Round-tailed Muskrat - Neofiber alleni Least Concern