Animals — 36,937 Species
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Pinyon Deermouse
Peromyscus truei (Shufeldt, 1885)
Peromyscus truei, the pinyon mouse, is a small rodent with distinct physical traits and flexible habitat preferences across North America.
Cotton Mouse
Peromyscus gossypinus (Le Conte, 1853)
Peromyscus gossypinus, the cotton mouse, is a small mouse native to the southeastern US, with two subspecies one extinct and one endangered.
Western Harvest Mouse
Reithrodontomys megalotis (Baird, 1857)
Reithrodontomys megalotis, the western harvest mouse, is a small North American rodent with no sexual dimorphism.
Fulvous Harvest Mouse
Reithrodontomys fulvescens J.A.Allen, 1894
Reithrodontomys fulvescens, the fulvous harvest mouse, is a small New World mouse with 17 recognized subspecies found from Central America to the southern US.
Northern Pygmy Mouse
Baiomys taylori (Thomas, 1887)
Baiomys taylori, the northern pygmy mouse, is a small rodent with varied traits, reproduction, and ecology.
Golden Mouse
Ochrotomys nuttalli (Harlan, 1832)
Ochrotomys nuttalli, the golden mouse, is a small rodent native to the southeastern United States with distinctive golden fur.
Bushy-tailed Woodrat
Neotoma cinerea (Ord, 1815)
Neotoma cinerea, the bushy-tailed woodrat, is the largest cold-tolerant woodrat native to western North America, with distinct traits and a documented life cycle.
Eastern Woodrat
Neotoma floridana (Ord, 1818)
Neotoma floridana, the eastern woodrat, is a medium-sized solitary North American rodent with decreasing populations.
White-throated Woodrat
Neotoma albigula Hartley, 1894
Neotoma albigula, the white-throated woodrat, is a North American cricetid rodent living in arid western habitats.
Dusky-footed Woodrat
Neotoma fuscipes Baird, 1857
Dusky-footed woodrat is a nocturnal cricetid rodent found along the US and Mexican Pacific coast, known for building large dens.
Mexican Woodrat
Neotoma mexicana Baird, 1855
Neotoma mexicana is a generalist-feeding rodent found from the southwestern US south to Honduras, mostly living in highland open coniferous forests.
Southern Plains Woodrat
Neotoma micropus Baird, 1855
Neotoma micropus, the Southern Plains woodrat, is a vegetarian rodent found in semi-arid North American habitats.
Big-eared Woodrat
Neotoma macrotis Thomas, 1893
The big-eared woodrat is a nocturnal cricetid rodent endemic to western North America, a keystone forest herbivore.
Bryant's Woodrat
Neotoma bryanti Merriam, 1887
Neotoma bryanti, or Bryant's woodrat, is a New World cricetid rodent native to the Southwestern US and Mexico.
Desert Woodrat
Neotoma lepida Thomas, 1893
Neotoma lepida (desert woodrat) is a small pack rat species found in western North American arid and rocky habitats.
Golden Hamster
Mesocricetus auratus (Waterhouse, 1839)
Mesocricetus auratus, the golden/Syrian hamster, is a small rodent with expandable cheek pouches and very short gestation.
Dzhungarian Hamster
Phodopus sungorus (Pallas, 1773)
This is a full physical description of the winter white dwarf hamster (Phodopus sungorus), covering size, coloration, and seasonal moulting.
Desert Hamster
Phodopus roborovskii (Satunin, 1903)
Phodopus roborovskii, the Roborovski hamster, is the smallest Phodopus hamster, native to Central Asian deserts.
Eurasian Hamster
Cricetus cricetus (Linnaeus, 1758)
Cricetus cricetus, the European hamster, is the largest known hamster species, found across parts of western, central, and eastern Europe.
Big-eared Climbing Rat
Ototylomys phyllotis Merriam, 1901
Ototylomys phyllotis, the big-eared climbing rat, is a widely distributed cricetid rodent found from Mexico to Costa Rica.
Sumichrast's Vesper Rat
Nyctomys sumichrasti (Saussure, 1860)
Nyctomys sumichrasti, Sumichrast's vesper rat, is a small climbing rat found in forests from Mexico to Panama.
white-eared cotton rat
Sigmodon leucotis Bailey, 1902
Sigmodon leucotis, the white-eared cotton rat, is a cricetid rodent species found only in Mexico.
Arizona Cotton Rat
Sigmodon arizonae Mearns, 1890
Sigmodon arizonae (Arizona cotton rat) is a distinct rat species found in the southwestern US and western Mexico.
Hispid Cotton Rat
Sigmodon hispidus Say & Ord, 1825
Sigmodon hispidus, the hispid cotton rat, is a common North American rodent used in laboratory research.
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