National Geographic on Instagram: “Photo by @javier_aznar_photography | A mouse opossum (Marmosa sp.) in the Ecuadorian Amazon. The animals can be seen at night when they're…”
![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. :
![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)