Scientists have long suspected that bird poop may play a role in the dispersal of fish species to new bodies of water. After seeing a fish egg in a fecal sample from a wild Coscoroba Swan in Brazil, a scientist staged an experiment to see whether killifish eggs could endure a trip through…

Male Bobolinks are first to arrive on their breeding grounds in the grasslands. Why are there fewer Bobolinks than in decades past? Probably because the landscape of North America has changed so much. Bobolinks originally nested on native prairies of the Midwest and southern Canada. Much…

Raccoons sometimes invade nesting colonies of herons, spoonbills, and other wading birds to eat their eggs and chicks. But some of these birds have found ways to deter the masked bandits. Researchers in the Everglades found wading birds including Great Blue Herons and Roseate Spoonbills…

The Buffalo National River in the Ozark Mountains of northern Arkansas was the first "national river" in the US. The river, part of the Ozark National Scenic Riverways, runs undammed for 135 miles. Its forest habitat is a great place for birds and other wildlife. There are at least 18…

Herman Melville, author of Moby Dick, described the Gal ápagos, a group of volcanic islands in the Pacific, as: "an archipelago of aridities, without inhabitant, history, or hope of either in all time to come." Charles Darwin also found the Gal ápagos' stark landscape on first view hellish…

With so many pressing human needs in the world, for food, water, and places to live, why should we act on behalf of the wellbeing of other animals? For George Archibald of the International Crane Foundation, it’s a matter of ethics. "How can the basic needs for humans be met, and how can…

Northern Shrikes are unapologetically cool, with their black masks, elegant gray plumage, and predatory lifestyle. But these little raptors, although technically songbirds, sometimes sound less than appealing. Two species of shrike — the Loggerhead and the Northern — are widespread in…

Viva Las Vegas -- When explorer Antonio Armijo came upon the place in 1829, he found bubbling springs, abundant beavers, and grassy beaver meadows. No casinos. Armijo named the site Las Vegas – Spanish for “the meadows.” Beavers do much to shape the natural landscape. They fell trees along…

The boreal forest of North America provides breeding habitat for billions of birds, such as this Semipalmated Plover. But the forest is under pressure. Many boreal birds are declining — while development and resource extraction are intensifying. Fortunately, there’s an upside. Conservation…

Sitting on a piling, wings outstretched, the Double-crested Cormorant looks like a black Celtic cross. Cormorants dive from the water's surface, pursuing prey under water, propelled by powerful webbed feet. The male performs a flashy wing-waving display to show off his colorful head-tufts…