Many mammals migrate seasonally to find food and warmer climates.

Scientists debated whether the fossil's mammality could be determined from the jaw fragment alone.

Many people don't realize that the platypus is a mammal because it lays eggs.

Paleontologists study stem mammals to understand the early evolution of modern mammals.

Photographers on the rocky shore were thrilled to capture images of sea mammals playing in the surf.

Conservationists are studying marine mammals to better understand the health of the ocean.

During the safari, we were lucky enough to spot several crown mammals near the watering hole.

Paleontologists argued that the newly discovered creature was a stem mammal, pushing back the origin of mammalian traits.

The researcher explained that the fossil belonged to a crown mammal, identifiable by its distinctive molar patterns.

During the expedition, the biologists observed a curious sea mammal investigating the floating debris.