For Brown Bears and Salmon, It’s Not Just About Numbers

New research shows how brown bears depend on the full complexity of salmon runs to make a living.

Matthew L. Miller

River Pollution Threatens Australia’s Great Barrier Reef

Coral bleaching dominates headlines about Australia’s Great Barrier Reef, but perhaps the most dangerous threat lurks on land, far away from the reef itself.

Justine E. Hausheer

Electrofishing Threatens A Rare Dolphin-Human Partnership

Myanmar’s river dolphins have learned to fish cooperatively with humans. But illegal electrofishing threatens this rare partnership.

Justine E. Hausheer

Salmon Migrate Using Earth’s Magnetic Field

A new study shows that even nonmigratory salmon are directed by the earth’s magnetic pull.

Christine Peterson

Recovery: Rehoming Brook Trout, the Dweller of Springs

Throughout its natural range, the brook trout is finding less and less of what it needs most: clean, cold water. But recovery efforts are underway, Ted Williams reports.

Ted Williams

Big Fish: Rodent-Eating Trout

Key up the Jaws soundtrack. For years, anglers have claimed Silver Creek's brown trout feed on rodents. Does the science back them up?

Matthew L. Miller