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Sigmodontinae Reference Libraries

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Coues Rice Rat Oryzomys couesi
2012-07-25 06:49:31

Coues' rice rat (Oryzomys couesi) is a semiaquatic rat that can be found in southern Texas, throughout Mexico and Central America, and into the northwestern portion of Colombia. It prefers a habitat with abundant water, but it is able to live in arid habitats and shrub lands. Coues’ rice rat forms the group O. couesi, along with six other species of rat. All of these rats are in the Oryzomys...

Yellow-Nosed Cotton Rat Sigmodon ochrognathus
2012-07-20 10:57:52

The yellow-nosed cotton rat (Sigmodon ochrognathus) has a range that extends from eastern Sierra Madre Occidental into the central areas of Durango. Its western range includes western Coahuila, located in Mexico, and it occurs from New Mexico to Arizona. It has a fragmented range in the deserts of Mesa del Norte, located in Trans-Pecos Texas. The yellow-nosed cotton rat appears on the IUCN Red...

Boquete Rice Rat Nephelomys devius
2012-07-11 21:03:36

The Boquete rice rat (Nephelomys devius), also known as the Talamancan Oryzomys, the Montane Rice Rat, and the Chiriqui Rice Rat, can be found in Costa Rica and western Panama. It prefers habitats within highland and cloud forest areas. Originally described in 1902 as Oryzomys devius, it was changed into a subspecies of Oryzomys albigularis in 1966, but quickly granted species status again...

Jamaican Rice Rat Oryzomys antillarum
2012-07-04 11:09:29

The Jamaican rice rat (Oryzomys antillarum) is an extinct species of rodent that was once found in Jamaica. This rat is thought to have been a divergence of O. couesi, which can be found in mainland Central America. It is thought that this rat went extinct in the late 19th century due to habitat destruction and by predation and competition from introduced species like the mongoose and the brown...

Marsh Rice Rat
2008-05-05 23:49:37

The Marsh Rice Rat (Oryzomys palustris), is a species of rodent in the Cricetidae family. It is found only in the United States. Its natural habitats are subtropical or tropical swamps, subtropical or tropical seasonally wet or flooded lowland grassland, swamps, and saline marshes.

Hispid Cotton Rat
2008-05-05 23:37:01

The Hispid Cotton Rat (Sigmodon hispidus), is a rodent species long thought to occur in parts of South America, Central America, and southern North America. However, three distinct subspecies have been recognized throughout the range. The northern species meets the central species near the Rio Grande River. The central race meets the southern species near Chiapas in South America.