Swimming beaver (Castor fiber)

A Comeback for Beavers?

As two researchers found out, rewilding a species can be done in different ways, sometimes with different outcomes.
Volunteer collecting garbage from park

The Problem with Unpaid Conservation Work

In the fight against climate change, many underfunded conservation groups depend on volunteers.
A hand-colored engraving of a Purple Martin

The Disappearing Culture of Purple Martin Landlords

“You have to have almost a cruel streak in you to be a successful Martin landlord."
An illustration of an elephant between crosshairs

The Military Response to Poaching

Is militarizing rangers really the best way to cut down on poaching? It's more complicated than you might imagine.
Long-tailed pangolin (Phataginus tetradactyla), Mangamba, Littoral Province, Cameroon

The Pangolin Extinction Vortex

This shy, strange-looking, nocturnal mammal has been poached nearly to extinction.
Zion National Park

When the Park Ranger Was Not Your Friend

Early 20th century National Park Service Rangers were a notoriously rough-and-tumble lot.