Acid-Covered Caterpillars Are a Delicacy for Migrating Swainson's Hawks
April 24, 2018 —
Each spring, thousands of the ravenous raptors descend on California's Anza-Borrego desert to gorge themselves on a buffet of moth larvae.
New Bird-of-Paradise Slides Around Sporting a Bright-Blue Frown
April 18, 2018 —
Turns out the smiley Superb Bird-of-Paradise has a sister species, and its moves are quite different. Judge the video evidence for yourself.
Paleontology and Private Fossil Collecting Can Be at Odds in the Hills of Wyoming
April 17, 2018 —
With commercial demand for fossils high, scientists worry valuable discoveries from the bird-rich Green River Formation are being lost.