Among the newly discovered species were an “amphibious mouse” with partially webbed feet, a spiny mouse, a dwarf squirrel, eight types of fish, three amphibians, and ten butterflies.

Scientists and Indigenous community members documented 27 new-to-science species in Peru’s Alto Mayo region, including four ...

The expedition also found a new species of dwarf squirrel, eight types of fish ... Ronald Diaz/ Conservation International Spiny mice are known for their distinctive spines, similar to hedgehogs ...