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KEYWORDS: grassland, herbivore, hispid cotton rat, North America, sigmodontine rodent, Estados Unidos de América, herbívoro, praderas, Rata algodonera, roedor sigmodontino
Sigmodon hispidusSay and Ord, 1825, the Hispid Cotton Rat, is a sigmodontine rodent with small ears, black eyes and feet, dense brownish-black pelage with bands of yellow just below the black tips, gray hairs on the ventrum, and a tail about 40% of total length. This account is an update of Mammalian Species 158 on the subject species by Guy N. Cameron and Stephen R. Spencer (1981), incorporating more than 160 new references, most since 1981. Sigmodon hispidus, 1 of 4 species in this Neotropical genus in the United States, has an expanding distribution, especially in the central states, and populations in 3 locations in northern Mexico. Sigmodon hispidus is classified as “Least Concern” (LC) on the International Union for Conservation of Nature Red List.
La rata algodonera, Sigmodon hispidus Say y Ord, 1825, es un roedor sigmodontino de orejas pequeñas, ojos y pies negros, denso pelage negro parduzco con bandas amarillas en cada pelo situadas justo debajo de sus puntas negras, pelos grises en el vientre, y una cola de aproximadamente el 40% de su largo total. Este artículo constituye una actualización del número 158 de la serie Mammalian Species, sobre la misma especie, escrito por Guy N. Cameron y Stephen R. Spencer (1981); en el presente se incorporan más de 160 referencias nuevas, la mayoría posteriores a 1981. Sigmodon hispidus, una de las 4 especies de este género Neotropical presente en los Estados Unidos de América, tiene una distribución que se está ampliando, particularmente en los estados centrales de EEUU y poblaciones en 3 localidades del norte de México. Sigmodon hispidus está clasificado en la categoría de Preocupación Menor (LC) de la Lista Roja mantenida por la Unión Internacional para la Conservacion de la Naturaleza.
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