<documentid="3C35C82C1CE5876307698D49AA0686DA"ID-DOI="10.5281/zenodo.6685333"ID-GBIF-Dataset="b488d6b0-2108-4c9b-ba79-458efc034cf9"ID-ISBN="978-84-96553-99-6"ID-Zenodo-Dep="6685333"IM.illustrations_approvedBy="tatiana"IM.materialsCitations_approvedBy="tatiana"IM.metadata_approvedBy="tatiana"IM.taxonomicNames_approvedBy="tatiana"checkinTime="1655902366516"checkinUser="tatiana"docAuthor="Astúa, D."docDate="2015"docId="F723B76CFFF6FFDEFA051A38FE458981"docLanguage="en"docName="hbmw_5_Didelphidae_0070.pdf.imf"docOrigin="Handbook of the Mammals of the World – Volume 5 Monotremes and Marsupials, Barcelona: Lynx Edicions"docTitle="Marmosa alstoni"docType="treatment"docVersion="10"lastPageNumber="143"masterDocId="0B1ACF14FFFBFFD0FFAB161FFFFD8C61"masterDocTitle="Didelphidae"masterLastPageNumber="186"masterPageNumber="129"pageNumber="142"updateTime="1720181789988"updateUser="tatiana">
<taxonomicNameid="B88A7DF9FFF6FFDDF7781A38F5EC8034"baseAuthorityName="J. A. Allen"baseAuthorityYear="1900"box="[2259,2577,3111,3157]"class="Mammalia"family="Didelphidae"genus="Marmosa"kingdom="Animalia"order="Didelphimorphia"pageId="13"pageNumber="142"phylum="Chordata"rank="species"species="alstoni">
<vernacularNameid="F1897654FFF6FFDDF9A91A78F94A801D"baseAuthorityName="J. A. Allen"baseAuthorityYear="1900"box="[1538,1719,3175,3196]"class="Mammalia"family="Didelphidae"genus="Marmosa"kingdom="Animalia"language="fra"order="Didelphimorphia"pageId="13"pageNumber="142"phylum="Chordata"rank="species"species="alstoni">Opossum dAlston</vernacularName>
<vernacularNameid="F1897654FFF6FFDDF8841A78F7D1801D"baseAuthorityName="J. A. Allen"baseAuthorityYear="1900"box="[1839,2092,3175,3196]"class="Mammalia"family="Didelphidae"genus="Marmosa"kingdom="Animalia"language="deu"order="Didelphimorphia"pageId="13"pageNumber="142"phylum="Chordata"rank="species"species="alstoni">Alstons Zwergbeutelratte</vernacularName>
<vernacularNameid="F1897654FFF6FFDDF70C1A78F64F801D"baseAuthorityName="J. A. Allen"baseAuthorityYear="1900"box="[2215,2482,3175,3196]"class="Mammalia"family="Didelphidae"genus="Marmosa"kingdom="Animalia"language="esp"order="Didelphimorphia"pageId="13"pageNumber="142"phylum="Chordata"rank="species"species="alstoni">Marmosa lanuda de Alston</vernacularName>
<emphasisid="4DFEDA68FFF6FFDDFA061A91F95E80C2"bold="true"box="[1453,1699,3214,3235]"pageId="13"pageNumber="142">Other common names:</emphasis>
<vernacularNameid="F1897654FFF6FFDDF9071A91F85280C2"baseAuthorityName="J. A. Allen"baseAuthorityYear="1900"box="[1708,1967,3214,3235]"class="Mammalia"family="Didelphidae"genus="Marmosa"kingdom="Animalia"language="eng"order="Didelphimorphia"pageId="13"pageNumber="142"phylum="Chordata"rank="species"species="alstoni">Alston's Mouse Opossum</vernacularName>
<taxonomicNameid="B88A7DF9FFF6FFDDF9FD1ACAF7DD8093"authorityName="J. A. Allen"authorityYear="1900"box="[1622,2080,3285,3314]"class="Mammalia"family="Didelphidae"genus="Caluromys"kingdom="Animalia"order="Didelphimorphia"pageId="13"pageNumber="142"phylum="Chordata"rank="species"species="alstoni">Caluromys alstoniJ. A. Allen, 1900</taxonomicName>
<paragraphid="7F35067AFFF6FFDDFA071AE8F8EB8179"blockId="13.[1451,2659,3285,3481]"box="[1452,1814,3319,3352]"pageId="13"pageNumber="142">This species is monotypic.</paragraph>
Head-body 15.5-18 cm, tail 25-28.1 cm; 60-150 g. Dorsal fur of Alston’s Woolly Mouse Opossum is medium brown, and prominent eye-rings are present. Tail length is ¢.155% of headbody length, and tail has fur on proximal 3-5 cm. Naked part of tail is brown on proximal one-half and white or mottled on the distal one-half. Ventral fur is gray-based buffy to orange. Fur is long and woolly. Feet are pale grayish. Females lack a pouch; they have nine or eleven mammae, four or five on each side, and a medial mamma. Alston’s Woolly Mouse Opossum has a 2n = 14, FN = 24 karyotype, with all biarmed autosomes, and with acrocentric X-chromosome and Y-chromosome. There is no sexual dimorphism in the skull size and shape.
Alston’s Woolly Mouse Opossum builds unstructured nests in palms and vine tangles, mostly composed of green leaves. A litter of eleven young has been recorded. Its breeding season is unknown, but juveniles were collected in June, August, and October.
<emphasisid="4DFEDA68FFF5FFDEFFCA129CFCD488C5"bold="true"box="[97,809,1155,1188]"pageId="14"pageNumber="143">Movements, Home range and Social organization.</emphasis>
Classified as Least Concern in The IUCN Red List. Alston’s Woolly Mouse Opossum occurs in large protected areas and appears to tolerate disturbed habitat.
Astua (2010), Creighton & Gardner (2007b), Diaz & Gémez-Laverde (2007), Eisenberg (1989), Emmons & Feer (1997), Gardner (2005), Gardner & Creighton (2007b), Lambert, T.D. et al. (2011), Patton & Costa (2003), Reid (2009), Reig et al. (1977), de la Sancha et al. (2012), Svartman (2009), Tate (1933), Voss & Jansa (2009), Voss et al. (2014).