Two salmon jumping out of a stream of water

Sneaky salmon live life in the fast lane

By Julia Belden
It’s one of Mother Nature’s most spectacular events. Mature chinook salmon, battered from a long and exhausting migration, return to the shallow tributaries of their birthplace to spawn. It’s the final act of the salmon’s short two-to-three-year life: after passing on their genes to the next generation, the fish quickly die.

A wolf lurks behind a tree

Michigan’s wolf numbers are growing, presenting challenges

By Dylan Engels
Michigan’s wolf population has grown since the animal was listed as an endangered species a half-century ago, and that raises some concerns. Meanwhile, a new study from the National Park Service and the University of Wisconsin looks at how the reintroduction of wolves on Isle Royale has affected the diets of two other island predators, the American marten and the fox.