Area of Focus: Physiology & Nutrition

September 25, 2024

How species find enough food in Yellowstone

Smaller species have different strategies than larger ones

July 25, 2024

Drought may boost parasite loads in giant salamanders

Dry conditions may lead to “overwhelming” numbers of trematodes in amphibians

May 14, 2024

Hundreds of starving pelicans appearing in California

It’s unclear what is affecting the birds

May 6, 2024

San Francisco sees rare sea lion spike

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

April 9, 2024

Leatherbacks follow jellyfish along U.S. coastline

The turtles forage along the continental shelf

April 3, 2024

Raptors prey on prairie dogs in the winter

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

March 26, 2024

TWS 2023: How healthy are elephant hybrids?

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

March 4, 2024

As Arctic summers lengthen, some polar bears are at increased risk of starvation

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

February 27, 2024

Strategic grazing could boost declining sage-grouse

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

February 20, 2024

Arctic gulls choose fast food over organic meals

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