What they discovered is that thumbnails in rodents do correlate with lifestyles and patterns of snacking. Rodents that live ...

Picture a squirrel eating an acorn. It's holding the nut in its front paws. More specifically, squirrels handle their food ...

Scientists have always pointed to their powerful incisors — which never stop growing — as the key to their success: they allowed rodents to occupy a dietary niche that other mammals either ignored or ...

Together, the evolution of thumbnails and claws might have helped rodents to eat different foods and enter new environments, from climbing trees to digging underground. This adaptability has allowed ...

Learn why many rodents have short nails on their thumb rather than long claws, a trait that has helped them eat and thrive for millions of years.

You may not know the differences between a groundhog vs gopher– but you’re likely here to find out! There are many differences between these two common animals, including their basic species makeup.

Thumbnails likely played a key role in rodents’ evolutionary success. Instead of sharp, pointy claws, several rodent species including squirrels actually have smooth, flat nails on their thumbs. The ...