The house mouse (Mus musculus) is one of the most common mammals worldwide. It can be found in all parts of the United States and Southern Canada. Adults are about five to seven inches long ...

An amphibious mouse with webbed feet and a blob-headed fish are among 27 new species scientists have discovered in Peru. They ...

Trond Larsen, head of the scientific team that led the expedition, says another 48 species that were found could also be new ...

An amphibious mouse with webbed feet and a blob-headed ... The expedition also found a new species of dwarf squirrel, eight types of fish, three amphibians and 10 types of butterfly.

Researchers on an expedition in Peru have discovered 27 animal species new to science – among them a “blob-headed fish” and a type of semi-aquatic mouse.