![Mouse opossum (Marmosa murina) in a tree at night in the wild. Rio Napo, Ecuador Stock Photo - Alamy Mouse opossum (Marmosa murina) in a tree at night in the wild. Rio Napo, Ecuador Stock Photo - Alamy](https://c8.alamy.com/comp/KWT9HR/mouse-opossum-marmosa-murina-in-a-tree-at-night-in-the-wild-rio-napo-KWT9HR.jpg)
Mouse opossum (Marmosa murina) in a tree at night in the wild. Rio Napo, Ecuador Stock Photo - Alamy
![The Elegant fat-tailed mouse opossum's tail can thicken due to accumulation of fat. This opossum can exhibit torpor, a mechanism that allows the opossum to significantly reduce its food and energy requirements. : The Elegant fat-tailed mouse opossum's tail can thicken due to accumulation of fat. This opossum can exhibit torpor, a mechanism that allows the opossum to significantly reduce its food and energy requirements. :](https://i.redd.it/6dnc8479kya31.png)
The Elegant fat-tailed mouse opossum's tail can thicken due to accumulation of fat. This opossum can exhibit torpor, a mechanism that allows the opossum to significantly reduce its food and energy requirements. :
![Kalinowski's mouse opossum (Hyladelphys kalinowskii) on a small branch. Also known as the Peru gracile mouse opossum, this is a species of opossum in Stock Photo - Alamy Kalinowski's mouse opossum (Hyladelphys kalinowskii) on a small branch. Also known as the Peru gracile mouse opossum, this is a species of opossum in Stock Photo - Alamy](https://c8.alamy.com/comp/2ACGBA1/kalinowskis-mouse-opossum-hyladelphys-kalinowskii-on-a-small-branch-also-known-as-the-peru-gracile-mouse-opossum-this-is-a-species-of-opossum-in-2ACGBA1.jpg)