A new marsupial species found in the Río Abiseo National Park, Marmosa chachapoya, contributes to the biological richness of ...

The tiny, big-eyed marsupial — named Marmosa chachapoya — is a newly identified species of mouse opossum. "We know very little about this species, including its natural history and distribution, and ...

Scientists discovered a new animal in Peru’s Andes, highlighting biodiversity gaps and the need for conservation in Río ...

I realized immediately that this was something unusual,” biological sciences professor Silvia Pavan said of the discovery.

In the Andes Mountains of northern Peru, a long-tailed mammal with a “facial mask” moved through the undergrowth. Suddenly, the ground dropped out underneath its hairy paws, and it fell into a ...

A bird in hand is indeed worth more than two in the bush. With no small amount of pretzel logic, I've reached the conclusion that an opossum in a feed bag is worth at least as much as a field mouse in ...

Scientists caught a long-tailed mammal with a “facial mask” in a trap at a Peru national park and discovered a new species, a study said. Photo from Pedro Peloso, shared by Robert Voss In the Andes ...