Some cloudless night in September, when the air is clear, you may see birds flying across the yellow face of the moon! September is peak migration time for millions of songbirds heading south from North America to more tropical latitudes. Nocturnal migrants of the same species, such as…

Beavers are well known as ecosystem engineers in North America. In Australia, lyrebirds play a big role in shaping their environment when they use their toes to dig in the ground for food. A single lyrebird can shift 11 dump truck loads of soil and leaves — each year! That’s thought to be…

For most birds, keen eyesight is critical for survival. But many birds lead lives that can be very hard on the eyes — like flying at breakneck speed, racing for cover into a dense thicket, or diving under water to capture prey. Imagine how the chips fly as this Pileated Woodpecker chisels…

Why does the American Dipper dip? One possibility is that the dipper's repetitive bobbing, against a background of turbulent water, helps conceal the bird's image from predators. A second theory asserts that dipping helps the bird spot prey beneath the surface of the water. But this theory…

How do birds drink? A robin takes a mouthful of water and then tips its head way back to send the water down its gullet. Pigeons are among the few birds that can suck in water with their heads down. Swallows and swifts skim a beakful of water on the wing. Gulls, like the Western Gull…

Sparrows are iconic desert denizens of the southwestern U.S. and northern Mexico. They thrive in open arid habitats, with evenly spaced shrubs, trees, and cacti. Historically, these native ecosystems were naturally maintained with frequent, low-intensity fires. But decades of drought and…

A male Buff-breasted Sandpiper courts a female on their breeding grounds far north of the Arctic Circle. He raises his wings, flashing their silvery-white undersides, as he sings his clicking serenade. These birds spend much of the year on grasslands in Argentina, migrating to the Arctic…

El búho cornudo ( Bubo virginianus) es un cazador nocturno excepcional, gracias a sus agudos sentidos y su sigilo, pero son sus garras las que le permiten sujetar a una presa que forcejea. El más externo de sus cuatro dedos puede rotar hacia adelante o hacia atrás, una ventaja que la…

The rainforests of Eastern and Northeastern Australia harbor many species of birds found almost nowhere else. This Eastern Whipbird — which is more often heard than seen — hangs out in the dense understory. Easier to lay eyes on is the large, pigeon-like Wompoo Fruit-Dove. Feathered in a…

In the black water of a Louisiana bayou, the water ripples where a slender form glides just beneath the surface. It appears to be a snake, but look closer at the long, narrow spike of a beak. It’s a snakebird, a colloquial name for the Anhinga, swimming with just its head and neck above…