The wonderful world of tennis is helping nature’s tiniest mammals survive. Each year, following Wimbledon, thousands of used tennis balls are donated to UK Wildlife Trust. Volunteers at the ...

As of 2021, the American Society of Mammalogists has recognized 2,277 different species of rodents, making up 35% to 40% of all mammal species on the planet, depending on which authority you talk to.

In a comparative analysis across vertebrates of the many cell types in the retina -- mice alone have 130 types -- researchers concluded that most cell types have an ancient evolutionary history. Their ...

Basic ecology uses simple diagrams to illustrate how biomass is distributed in ecosystems. These “ecological pyramids” lump all primary producers (plants) at the base of the pyramid. The second level ...

Australia can lay claim to two new species of native rodent thanks to a new study. The aptly named delicate mouse was previously thought to be a single species spanning a massive stretch of the ...

The deer mouse, believed to be the most common mammal in North America, has a very different take on family values than its evolutionary sibling, the oldfield mouse. Oldfield mice are monogamous.

Karthik Shekhar and his colleagues raised a few eyebrows as they collected cow and pig eyes from Boston butchers, but those eyes — eventually from 17 separate species, including humans — are providing ...