Mouse Opossum

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Mouse Opossum

 

(Marmosa murina), a mammal of the family Didelphidae, order Marsupialia. The body measures approximately 13 cm in length, and the tail about 18 cm. The coloring is yellowish gray on top and lighter below. The mouse opossum has a naked, prehensile tail and lacks a brood pouch. It is distributed in South America, between the Amazon and the Orinoco rivers. It is arboreal and nocturnal and is omnivorous. The female bears as many as 15 young, which at first hang on her nipples; later the female carries them on her back. The animals feed mainly on insects and fruit.

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Marmosa paraguayana-7 (M-UFMG2648); 8 (F-MN82795*K; M-MN82794*K, 82796*K, 82797*K); 9 (M-MN82799*K, 82800*K); 17 (F-UFMG2611; M-UFMG2612, 2613); 30 (F-MCN-M36); 46 (F-MCN-M26); 75 (M-MN82798*).
2015) sampled a much larger sample of small mammals, blood samples collected from only 68 individuals belonging to 13 different species, 4 marsupials (Didelphis albiventris-white-eared opossum, Gracilinanus agilis-agile gracile opossum, Marmosa murina--Linnaeus's mouse opossum, Thylamys macrurus--Paraguayan fat-tailed mouse opossum) and 9 rodents (Calomys callosus--large vesper mouse, C.
Esta misma situacion ocurre con las chuchas arboricolas (Marmosops parvidens y Marmosa isthmica), que son tolerantes al efecto de borde y tienden a poseer poblaciones densas en habitats modificados (da Fonseca y Robinson, 1990; Malcolm, 1997; Daily etal.
Day Species 1 2 3 4 5 6 Total Percentage of total Peromyscus 8 7 19 6 6 4 50 29 grandis Handleyomys 2 9 6 7 3 -- 27 15 rhabdops Heteromys 1 1 5 4 2 5 18 10 desmarestianus Reithrodontomys 1 3 3 6 4 -- 17 10 mexicanus Handleyomys 1 1 4 3 4 3 16 9 saturatior Sorex veraepacis 2 2 3 3 1 4 15 9 Scotinomys 1 1 2 4 2 3 13 7 teguina Marmosa mexicana -- 2 1 1 -- 1 5 3 R.
No obstante, existen otras especies en las cuales la bolsa puede estar ausente (DAVIS & GARDNER, 2008), es el caso de Marmosa, Monodelphis y Metachirus, que no la poseen y solo presentan un par de pliegues laterales (SOLARI et al.
Seguimos el tratamiento taxonomico propuesto por Wilson & Reeder (2005), con las modificaciones realizadas por Velazco (2005), Velazco & Gardner (2009) y Velazco et al, (2010) para el genero Platyrrhinus, Weksler et al, (2006) para los roedores Oryzominos y Rossi et al, (2010) para el complejo Marmosa "mexicana .
Allen, 1901 Marmosa mexicana Merriam, 1897 MA LC P Marmosa mexicana mayensis Osgood, 1913 Philander opossum (Linnaeus, SA LC P 1758) Philander opossum pallidus (J.
Los marsupiales Marmosa (Micoureus) demerarae y Marmosops bishopi, capturados en San Fermin, Yanahuaya, Yanacocha; y Challohuma respectivamente, son los primeros registros para el departamento de Puno.