Small Mammals Of The Mayo River Basin In Northern Peru, With The Description Of A New Species Of Sturnira (Chiroptera: Phyllostomidae) Author Velazco, Paúl M. Division of Vertebrate Zoology (Mammalogy) American Museum of Natural History Author Patterson, Bruce D. Integrative Research Center Field Museum of Natural History text Bulletin of the American Museum of Natural History 2019 2019-04-05 2019 429 1 69 journal article 0003-0090 Didelphis marsupialis Linnaeus, 1758 VOUCHER MATERIAL: Waqanki : 1 adult male ( FMNH 203508 ) ; Tingana : 1 adult female ( MUSM 39246 ) ; see table 1 for measurements. IDENTIFICATION: We consulted descriptions and measurements of Didelphis marsupialis provided by Gardner (1973) , Patton et al. (2000) , Voss et al. (2001) , Lemos and Cerqueira (2002) , Cerqueira and Tribe (2008) , and Hice and Velazco (2012) . Our Mayo River basin specimens exhibit all the diagnostic characteristics of this species (e.g., ears entirely black, lack of facial markings, jugal embracing the squamosal zygomatic process both above and below) and fall within the range of measurements previously reported for Didelphis marsupialis (table 1). REMARKS: Our two individuals were shot, MUSM 39246 at 06:00 hours in an agricultural field and FMNH 203508 at 22:00 hours in a tree overhanging a chicken coop.