The Great Blue Heron is tall and slender with a bill like a sword and the graceful, measured moves of a dancer. And it’s mostly quiet. But when this bird does make noise, it can be downright scary.

Birds' legs have an adaptation called "rete mirabile" that minimizes heat loss. The arteries that transport warm blood into the legs lie in contact with the veins that return colder blood to the bird's heart. The arteries warm the veins. Because the veins also cool the arteries, the bird’s…

Some of the most extensive grasslands on the continent remain in Northeast Montana. In winter, these lands lie under windblown snow. But in summer, the grass is verdant and grassland birds abound. Birds such as the Thick-billed Longspur (formerly known as McCown's Longspur), the Lark…

BirdNote writer Todd Peterson reflects on his friend, a hunter, from Nebraska. Todd’s friend, who has been diagnosed with Alzheimer’s disease, has lost the urge to hunt. He sits in the duck blind, but he does not shoot . . .

As the first rays of sunlight fill the trees on a spring morning, a symphony of birdsong erupts. As early morning light extinguishes the stars, male birds begin to belt out their songs. One of the magical gifts of observing birds is to hear the dawn song in spring. Early in the morning…

The Makahs tell a story about how the bird we know as the Steller's Jay - the bird the Makahs call Kwish-kwishee - got its crest. The mink, Kwahtie, tried to shoot his mother, the jay, with an arrow but missed. Her crest is ruffled to this day.

In some vineyards of Napa and Sonoma Counties in California, owls patrol by night, and kestrels, harriers, and other raptors take the day-watch. They eat the mice, rats, and gophers that nibble on the roots of young grapevines. Other birds help, too, including this Western Bluebird…