BirdNote

Osprey are birds of prey with a wingspan more than 5 feet across. These large raptors construct huge stick nests that get up to 6 feet wide and 12 feet tall! While the Ospreys only occupy the upper portions of this structure, other birds have been observed taking up residence in the nooks and

Small, tern-like Bonaparte's Gulls often form a chorus-line at the water's edge. Side by side, in half an inch of water, they stomp their feet as fast as they can. Under this pummeling, a smorgasbord of shrimp is stirred up for the gulls to harvest. Is this a learned behavior, or were these gulls

During migration, some birds change orientation and travel almost the same distance — but in the opposite direction — as the rest of their species. The phenomenon is called misorientation. First-year birds are particularly susceptible. Many vagrant birds never find their way back on course, but some

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 pictured above

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 fire