9 Cool Freshwater Fish You’ve Never Heard Of

Do you know the hardhead? The chiselmouth? Celebrate freshwater biodiversity with these cool fish.

Matthew L. Miller

Rebalancing Water and Land Use for Nature and People in California

Examining how ecological restoration efforts – rewilding – could recover the San Joaquin’s natural diversity and ensure the long-term health and productivity of farms and the local communities they support.

Cara Cannon Byington

Story type: TNC Science Brief

Meet the Argonaut, The World’s Weirdest Octopus

Octopuses are awesome. These eight-legged oddballs of the ocean have always had a dedicated fanclub, and the recent documentary My […]

Justine E. Hausheer

Hollow Homes: Meet the Warblers That Nest in Tree Cavities

Meet the prothonotary and Lucy’s warblers, two birds with very interesting nesting needs

Ken Keffer

Strange and Surprising Facts about Opossums

Death fainting! Walking embryos! And other weird facts about the underrated Virginia opossum.

Matthew L. Miller

More Cool Facts About the Yellow-Bellied Sapsucker

Meet the scientist who’s a sucker for sapsuckers.

Lauren D. Pharr

Mapping Tree Inequality: Why Many People Don’t Benefit from Tree Cover

Trees provide valuable cooling services in cities, but they are not equally distributed. And the problem is worse than originally thought.

Rob McDonald

Holes and Weeping Trees: What’s up with the Yellow-bellied Sapsucker?

The sapsucker needs, well…sap. And lots of it. Here’s how it gets it.

Lauren D. Pharr

Stayin’ Alive at the Seabird Disco

Seabird discos - complete with fake birds, mirrors, and a sound system - help restore breeding bird populations in the Caribbean.

Justine E. Hausheer

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

The Butterfly of Spring: Meet the Mourning Cloak

Have you seen the mourning cloak butterfly? It may well be flying around your neighborhood right now, a sure sign of spring.

Ken Keffer

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