The nesting colony of Rhinoceros Auklets on Washington State’s Protection Island is among the largest in the world. The birds’ breeding success reflects the health of surrounding marine waters. Scientists are monitoring the type, number, and food value of the fish the adults provide. And…

Watch Stephen Colbert and The Colbert Report on Comedy Central, and you'll see a Bald Eagle streak across the screen, screaming, talons outstretched, ferocious, majestic. But - in the spirit of truthiness - we must declare that the bird you hear is not a Bald Eagle, but a Red-tailed Hawk…

The Virginia Rail is a secretive bird, a relative of coots and cranes. And it's a bird you'll more often hear than spy. The rail takes its name from its narrow body - "as skinny as a rail" - an adaptation to its favorite marshy habitats. A Virginia Rail walks hidden, squeezing through…

For more than a decade, Henry Sears has been restoring native habitat on his farm near Chesapeake Bay. Why? Dr. Sears wanted to find out if, after 250 years of alteration, native grasslands could be brought back for the benefit of birds, plants, and other animals. Within a month of the…

Every spring, birds like this Orchard Oriole and many others are arriving after a long flight across the Gulf of Mexico. Beginning in 1998, a handful of observers -- each assigned to a different oil platform -- began to monitor bird migration between March and May, as far as 100 miles out…

A trip to the moon would mean a flight of 239,000 miles, roughly the same as circling the Earth 10 times. This Red Knot, named B95 for its band number, is nicknamed "Moonbird." Why? This male sandpiper was first banded in 1995 and spotted again -- on his migration through New Jersey -- in…

During spring migration, hummingbirds like this Ruby-throat rely on the nectar of flowering plants. But flowers blooming earlier because of warming temperatures could affect them severely. To better understand and protect these marvelous birds, Audubon has launched a new citizen-science…

Most birds possess the ability to see color. But birds can also see in the ultraviolet spectrum. Hummingbirds - like this Violet-crowned Hummingbird - may zero in on certain flowers because their petals strongly reflect in the ultraviolet range. Migrating birds may use ultraviolet light to…

Florida Scrub-Jays are Florida’s only truly native bird. They breed nowhere else in the world. But today, their population is just 10% of what it was 200 years ago. Marianne Korosy of Audubon Florida is among the people working to save the jays. She coordinates the Jay Watch program, which…