Thanks to their impressive building skills, beavers are a keystone species—an animal whose activities support its entire ...

Beavers' teeth sometimes look brown, orange or red due to a protective iron coating that makes them resistant to wear and tear as beavers go about their beaver business.

They have brown fur, a distinguishing white muzzle, and white whiskers. The orange color of their teeth, a trait they share with beavers, comes from having a special, strong enamel that includes iron.

Chattering squirrels, charming coypus, and tail-slapping beavers -- along with some other rodents -- have orange-brown front teeth. Researchers have produced high-resolution images of rodent ...

Nutria are often mistaken for beavers—both have prehistoric-looking orange teeth—but nutria are typically one-third the size of beavers and one-third as adorable.

Komodo dragons, the world’s largest species of lizard, have iron-tipped teeth that help them to rip their prey apart, ...

Komodo dragon teeth show orange pigment along the serrated edges. LeBlanc et al., Nature Ecology & Evolution , 2024 X-ray imaging revealed the orange pigmentation was iron, coating the teeth in a ...

With large orange teeth, they cut down trees and other vegetation for food and building materials. November is the month that ...

Komodo dragons, the world’s largest species of lizard, have iron-tipped teeth that help them to rip their prey apart, according to new research.