Beaver? Otter? Muskrat? A Field Guide to Freshwater Mammals

Think you saw a beaver or a mink? Here’s how to tell for sure.

Matthew L. Miller

When Mammals Glow in the Dark

Scientists are discovering dozens of mammals that glow under ultraviolet light, from flying squirrels to wombats to African springhares.

Justine E. Hausheer

The Mountain Beaver That Is Not A Beaver

The mountain beaver is a rodent like no other. Just don’t call it a living fossil.

Matthew L. Miller

Chipmunk Quest

A chipmunk is a chipmunk, right? Nope. There are 22 species in the United States. Here’s how to find them.

Matthew L. Miller

Easy Nature Adventures to Enjoy Near You

Our guide to fun and family-friendly nature activities, no special gear necessary.

Matthew L. Miller

How to See a Red Fox in Winter

Now is the perfect time to see (or smell) a fox. Here’s how.

Matthew L. Miller

Even for Solitary Squirrels, It’s Better to Know the Neighbors

Anti-social red squirrels still live longer if they have frequent interactions with each other.

Christine Peterson

Why Pandas Are Rubbing Themselves with Horse Manure

It’s true: for years, giant pandas have been rubbing horse manure on themselves. New research suggests a reason.

Christine Peterson

When Only a Hippopotamus Will Do

Hippos for the holidays? Some weird stories of human-hippo relations.

Matthew L. Miller

Nature Nerd Trivia: Bats

How much do you really know about bats?

Justine E. Hausheer

Black Deer: Have You Seen This Rare Color of a Common Animal?

Black, or melanistic, white-tailed deer are a rare sight. Here’s what you need to know.

Matthew L. Miller

Meet the Goat Antelopes: Strange, Large Mammals of the Mountains

Goat antelopes, the high-mountain mammals you don’t know – but should.

Matthew L. Miller