Black Scoters are sea ducks that spend the winter on saltwater bays. They are large, strong ducks and buoyant swimmers with a habit of cocking their tails upward. Black Scoters nest each summer on freshwater tundra ponds. Each fall, they can be found on bays all across the Northern…

Birds have a highly efficient breathing anatomy that powers the exertion of flight. It is driven by large, thin-walled air sacs located throughout the body cavity that operate like bellows. This parabronchial system for extracting oxygen from the air has a far greater surface area than the…

Parrots have strong, hooked beaks that are great for cracking tough seeds. Their feet allow them to climb and to hold on to objects, like food. Parrots are known for their legendary intelligence and ability to talk. And they come in almost every color of the rainbow! This Buff-faced Pygmy…

The Dark-eyed Junco is one of the most abundant backyard birds in North America. But it’s not our only junco. In the Southwest, the Yellow-eyed Junco lives in cool mountain forests from Arizona and New Mexico, through Mexico into Guatemala. Ornithologist Francis Sumichrast was in Veracruz…

Through all of spring and summer, swallows dart and sail overhead, their airborne grace a wonder to behold. But by October, the skies seem empty. Most swallows have flown south, in search of insects. The eight species of swallows that nest in the US - including this Cliff Swallow - migrate…

Just a couple dozen miles off the Northwest coast, immense dark birds with long, saber-shaped wings glide without effort above the waves. These graceful giants are Black-footed Albatrosses, flying by the thousands near the edge of the continental shelf. Black-footed Albatrosses do not…

European Starlings regularly adorn their twig nests with marigolds, elderberry flowers, yarrow leaves, and even willow bark — all of which are full of aromatic chemicals, which fumigate their nests and are thought to discourage pests and parasites. Scientists discovered that starlings…

The Cuban Tody is almost indescribably cute! It’s a "must-see" bird for anyone heading for the West Indies. In woodlands throughout the island of Cuba, todies are terrific foragers. In fact, their Puerto Rican cousins have been known to catch up to one or two insects a minute — hunting…

The Common Merganser is one of our biggest ducks, about the size of some loons. Although it’s not closely related to loons, it has evolved a similar overall structure and predatory behavior. But a merganser has a unique feature: tooth-like serrations along the edge of the bill that help…

On June 23, 2000, the "MV Treasure" iron ore tanker sank off the coast of South Africa, covering 19,000 adult African Penguins in oil. Fortunately, thousands of volunteers arrived to help. The oily birds were moved to Cape Town to be cleaned. Another 19,500 penguins that escaped the oil…