Animalia > Chordata > Mammalia > Didelphimorphia > Didelphidae > Micoureus > Micoureus alstoniMicoureus alstoni (Alston's Mouse Opossum)Synonyms: Caluromys alstoni (homotypic); Marmosa alstoni (homotypic) Alston's mouse opossum (Marmosa alstoni), also known as Alston's opossum, is a medium-sized pouchless marsupial of the family Didelphidae. It is arboreal and nocturnal, inhabiting forests from Belize to northern Colombia. The main components of its diet are insects and fruits, but it may also eat small rodents, lizards, and bird eggs. It was formerly assigned to the genus Micoureus, which was made a subgenus of Marmosa in 2009. |
Uniqueness Scale: Similiar (0) Unique (100) Uniqueness & Vulnerability Scale: Similiar & Secure (0) Unique & Vulnerable (100) ED Score: 13.98 EDGE Score: 2.71 |
| Adult Weight [1] | 132.3 grams |  | | Diet [2] | Carnivore (Invertebrates), Frugivore | | Diet - Fruit [2] | 10 % | | Diet - Invertibrates [2] | 90 % | | Forages - Scansorial [2] | 100 % | | | Nocturnal [2] | Yes | | Snout to Vent Length [3] | 8 inches (20 cm) |
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| Name |
Countries |
Ecozone |
Biome |
Species |
Report |
Climate |
Land
Use |
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Belizean pine forests |
Belize |
Neotropic |
Tropical and Subtropical Coniferous Forests |
 |
 |
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Central American Atlantic moist forests |
Panama, Costa Rica, Nicaragua |
Neotropic |
Tropical and Subtropical Moist Broadleaf Forests |
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Central American dry forests |
Mexico, Guatemala, Honduras, El Salvador, Nicaragua, Costa Rica |
Neotropic |
Tropical and Subtropical Dry Broadleaf Forests |
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Central American montane forests |
Mexico, Guatemala, El Salvador, Honduras, Nicaragua |
Neotropic |
Tropical and Subtropical Moist Broadleaf Forests |
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Central American pine-oak forests |
Mexico, Guatemala, Honduras, El Salvador, Nicaragua |
Neotropic |
Tropical and Subtropical Coniferous Forests |
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Costa Rican seasonal moist forests |
Costa Rica |
Neotropic |
Tropical and Subtropical Moist Broadleaf Forests |
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Isthmian-Atlantic moist forests |
Nicaragua, Costa Rica, Panama |
Neotropic |
Tropical and Subtropical Moist Broadleaf Forests |
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Mesoamerican Gulf-Caribbean mangroves |
Bahamas, United Kingdom |
Neotropic |
Mangroves |
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Miskito pine forests |
Honduras, Nicaragua |
Neotropic |
Tropical and Subtropical Coniferous Forests |
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Petén-Veracruz moist forests |
Mexico, Guatemala, Belize |
Neotropic |
Tropical and Subtropical Moist Broadleaf Forests |
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Talamancan montane forests |
Costa Rica, Panama |
Neotropic |
Tropical and Subtropical Moist Broadleaf Forests |
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| Name |
Location |
Endemic |
Species |
Website |
|
Mesoamerica |
Belize, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, Panama |
Yes |
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Attributes / relations provided by ♦ 1Felisa A. Smith, S. Kathleen Lyons, S. K. Morgan Ernest, Kate E. Jones, Dawn M. Kaufman, Tamar Dayan, Pablo A. Marquet, James H. Brown, and John P. Haskell. 2003. Body mass of late Quaternary mammals. Ecology 84:3403 ♦ 2Hamish Wilman, Jonathan Belmaker, Jennifer Simpson, Carolina de la Rosa, Marcelo M. Rivadeneira, and Walter Jetz. 2014. EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95:2027 ♦ 3Nathan P. Myhrvold, Elita Baldridge, Benjamin Chan, Dhileep Sivam, Daniel L. Freeman, and S. K. Morgan Ernest. 2015. An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96:3109 ♦ 4International Flea DatabaseEcoregions provided by World Wide Fund For Nature (WWF). WildFinder: Online database of species distributions, ver. 01.06 Wildfinder Database |
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0
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