What’s the most colorful bird in the U.S.? The Scarlet Tanager? Maybe the Painted Bunting? Well, consider one more lustrous candidate: the Purple Gallinule. The Purple Gallinule’s feathers are so iridescent that they might not seem real. Despite its bold style, a Purple Gallinule can be…

La canción Tico-Tico no Fubá, al igual que Carmen Miranda, nos llegó desde Brasil. Y aunque no lo creas, esta canción habla de un ave. La letra en portugués cuenta la historia del tico-tico, nombre local del gorrión chingolo ( Zonotrichia capensis). En la canción, el ave vuelve una y otra…

Circling silently above the earth on broad, black wings, vultures need little introduction. We know them as nature's clean-up crew, dining on dead and decaying animals. A unique range of adaptations allows vultures such as this Black Vulture to feast on food that’s off limits for many…

The catchy name “Jackdaw” belongs to a European bird that looks like a compact crow drawn in shades of light and dark gray. They are comfortable around people, which helps explain their place in folklore. Some cultures saw the Jackdaw as a predictor of rain, others as a savior of crops. Or…

Scientists have long thought that new species took a very long time to emerge. This thinking has now changed dramatically. On an island in the Galápagos, researchers Rosemary and Peter Grant discovered that a hybrid union of two distinct species of finch produced descendants different from…

Whistling as they fly, Black-bellied Whistling-Ducks are gorgeous waterfowl with bright pink bills and legs, chestnut necks and backs, and black underparts. Though most whistling-ducks live in the tropics, Black-bellied Whistling-Ducks are found in the U.S. along the western Gulf Coast and…

Great Horned Owls excel at nocturnal hunting, thanks to their acute senses and stealth — but their feet let them secure squirming prey. The outermost of their four toes can rotate forward or backward, an advantage that most other birds of prey lack, letting them capture animals as large as…

There are fifteen species of cranes across the globe, found everywhere but Antarctica and South America. During the winter, cranes forage and rest together by the thousands. Listen in to the voices of cranes from all over the world. Nothing evokes the spirit of the wild like the voices of…

Found in much of Central America, White-throated Magpie-Jay flocks are family groups led by a dominant female. They include a mate and several female offspring that bring food to the primary female and her young. It’s an example of cooperative breeding, when birds other than the parents…

Las aves poseen una anatomía respiratoria sumamente eficiente que impulsa el esfuerzo del vuelo. Esto se debe a grandes sacos de aire de paredes delgadas distribuidos por toda la cavidad corporal, que funcionan como los fuelles en un acordeón. Este sistema parabronquial para extraer…