When we watch birds in flight, they’re often seen against a backdrop of clouds. Clouds have many different types and are listed in the International Cloud Atlas. The asperitas cloud was first described by citizen-scientists and has now been incorporated into the official atlas.
In autumn, hundreds of thousands of Swainson's Hawks migrate to South America. With the help of a satellite tracking device, let's follow an individual male. On September 14, he leaves his breeding territory near Hanna, Alberta; reaches southwest Saskatchewan by September 23; passes
The Palouse country in southeastern Washington features rolling hills, fertile soils, and grassland birds like this Western Meadowlark, which nests in native vegetation between wheat fields. Horned Larks are less choosy, nesting in the wheat fields and fledging their broods before harvest
William John Swainson, ornithologist, author, illustrator, was born in October 1789. He settled in New Zealand, and it's quite likely that he never saw any of the birds named for him. But because of Swainson's reputation and knowledge about birds, the Swainson's Warbler, Swainson's Thrush
At 9,000 feet in the Manzano Range in New Mexico, HawkWatch International counts and bands raptors making their way south along the Rocky Mountain front. Some, like this Swainson's Hawk, fly all the way to the pampas of Argentina.