The Virginia opossum is the only opossum species found in the United States and Canada. Opossums have the smallest brain-to-weight ratio of any North American mammal. The earliest known relatives of ...

“The new species was captured at a much higher altitude than most other species” of mouse opossum, Voss said. Still, much about its lifestyle and behavior remains unknown. The Chachapoyas ...

“The new species was captured at a much higher altitude than most other species” of mouse opossum, Voss said. Still, much about its lifestyle and behavior remains unknown. The Chachapoyas ...

Scientists caught small mammal with facial mask, long snout in trap at national park and discovered new species: Chachapoyas mouse opossum, study said.

Intrigued, the scientists took a closer look at the opossum, analyzed its DNA and realized they’d discovered a new species: Marmosa chachapoya, or the Chachapoyas mouse opossum.

Scientists caught small mammal with facial mask, long snout in trap at national park and discovered new species: Chachapoyas mouse opossum, study said.

“The new species was captured at a much higher altitude than most other species” of mouse opossum, Voss said. Still, much about its lifestyle and behavior remains unknown.

Intrigued, the scientists took a closer look at the opossum, analyzed its DNA and realized they’d discovered a new species: Marmosa chachapoya, or the Chachapoyas mouse opossum.

Intrigued, the scientists took a closer look at the opossum, analyzed its DNA and realized they’d discovered a new species: Marmosa chachapoya, or the Chachapoyas mouse opossum.

Intrigued, the scientists took a closer look at the opossum, analyzed its DNA and realized they’d discovered a new species: Marmosa chachapoya, or the Chachapoyas mouse opossum.

Intrigued, the scientists took a closer look at the opossum, analyzed its DNA and realized they’d discovered a new species: Marmosa chachapoya, or the Chachapoyas mouse opossum.