Area of Focus: Physiology & Nutrition

It’s unclear what is affecting the birds

An anchovy boom has brought vast numbers to Fisherman’s Wharf

The turtles forage along the continental shelf

Prairie dogs are a reliable food source, but plague is making them less consistent

Biologists separated African elephants into two species, but their hybrids raise new questions

The bears are losing body mass as they spend more time on land

In the right conditions, grazing can benefit insects the bird depends on

Researchers turned to machine learning to find out where short-billed gulls were showing up in Fairbanks, Alaska

A pack near Anchorage has likely killed three wolverines in the past few years

By preying on far-traveling beavers, wolves can reshape forests near beaver ponds