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…

The Bearded Reedling is a wetland songbird that’s enjoying a boom in both population and popularity. Barely larger than a chickadee, the male reedlings are often photographed with their feathers puffed out to near spherical proportions, earning them the nickname of “the roundest bird in…

Gulls are notorious for snatching french fries from waste bins and flocking to landfills. But one Western Gull’s devotion to trash reached a new level with an 80-mile road trip aboard a waste transfer truck in California. The gull may have gotten trapped in the truck unintentionally, but…

It's late winter at Ding Darling National Wildlife Refuge on Sanibel Island, Florida. Many birds have finished nesting, and young birds are everywhere. This morning, wind and tide have conspired to strand schools of fish in backwater ditches. And the birds are taking advantage of it. It's…

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…

Most bird species in North America mate for a single breeding season. Some may team up again the following year, just because both stay in - or return to - the same territory. Fewer than one-fifth of Song Sparrow pairs are reunited. Hawks, eagles, and ravens have wide territories, thus few…

Over the course of four days in February, the Great Backyard Bird Count gathers heaps of info about birds all over the world — and helps people connect with their local birds. Anyone can participate with the Merlin Bird ID app. And if you’re familiar with your neighborhood birds, you can…

Organized by the Cornell Lab of Ornithology, Project NestWatch is made up of volunteers around the world who monitor bird nests, reporting whether the birds successfully raise their young. Joining the project involves a bit of online training, finding a nearby bird nest, and briefly…

You’ve probably heard the old saying: “A bird in the hand is worth two in the bush.” Well, it’s a very old saying, and it’s gone through some changes over the years. In each era, the pragmatic wisdom is clear: Hold on to the sure thing rather than taking a gamble on something better. The…

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…