Clark's Nutcracker

The Clark's Nutcracker is a stocky, pale gray corvid found in high-elevation conifer forests of the western mountains, from British Columbia south through the Rockies and Sierra Nevada. It belongs to the crow and jay family and is closely tied to whitebark, pinyon, and other large-seeded pines. Its sturdy, dagger-like bill is adapted for prying seeds from unopened cones, and a special pouch under the tongue lets it carry many seeds at once to hidden caches.

Body (contour) feathers are soft and pale gray, giving the bird an overall ashy look with a slightly darker head. The wings are glossy black with white tips on the secondary flight feathers, forming a bright white trailing patch visible in flight. The central tail feathers are black while the outer tail feathers are white, creating a bold black-and-white tail pattern when spread. Compared to a Steller's Jay, the plumage is much paler and lacks blue tones; compared to a crow, the body plumage is distinctly lighter gray rather than solid black.

Sexes look alike, both showing the same pale gray body with black-and-white wings and tail year-round. Juveniles resemble adults but appear duller and slightly more brownish-gray until their first full molt. Adults undergo a single complete molt after the breeding season, and feather wear through the year can make the gray body plumage look slightly grayer or browner depending on season.

Clark's Nutcrackers live in open subalpine and montane pine forests, often near treeline, across the mountain ranges of western North America. They are largely resident, but seed crop failures can trigger irruptive movements to lower elevations or other regions in search of pine seeds. Their strong association with large-coned pines makes them an important seed disperser in these ecosystems.

Nutcrackers cache huge numbers of pine seeds in the ground each fall, relying on excellent spatial memory to relocate many of these caches through winter and spring, even under snow. Flight is strong and undulating, often at a distance over open mountain terrain. Calls are harsh, nasal, and far-carrying, frequently described as a grating "kraaa" or "khaaa." They nest very early in the year, sometimes while snow is still on the ground, timed to have young ready to exploit stored seed caches.