Suzanne Dixon Named Vice President of the Mississippi Flyway at Audubon
Dixon joins the bird conservation organization from the Appalachian Trail Conservancy.
Adult and juvenile. Photo: Tim Timmis/Audubon Photography Awards
Grus americana
Conservation status | Endangered. Whoopers once nested on the northern prairies south to present-day Iowa and Illinois, but they disappeared as settlers moved in. As recently as 1912, about 90 birds wintered at various points in coastal Texas and Louisiana, and there was a nonmigratory population in southwestern Louisiana as well. By 1941 the Texas wintering flock was down to only 15 birds (another six were still resident in Louisiana, but that flock soon dwindled away). After 1941, numbers very gradually rose again, helped by protection on the wintering grounds and public education against shooting; by the mid-1990s, the Texas wintering flock approached 150. Attempts to start a new flock farther west (by putting Whooper eggs under Sandhill Cranes in Idaho) failed, but in the 1990s a new project aimed to start a nonmigratory flock in Florida, using birds raised in captivity. Most recently, an ambitious project has established a new flock that summers in Wisconsin, with young birds raised and then trained to follow an ultralight aircraft to Florida for their first southward migration. |
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Family | Cranes |
Habitat | Muskeg (summer); prairie pools, marshes. Current breeding habitat is in remote northern forest, in areas of muskeg (swampy coniferous woods with numerous lakes and ponds). Formerly also nested in prairie marshes. Winters in coastal marsh, where adult pairs and families defend territories, returning to same territory each winter. |
See family introduction.
2, sometimes 1 or 3. Olive-buff, spotted with dark brown. Incubation is by both sexes, 29-31 days; female usually incubates at night. Young: Downy young leave nest within a few hours after hatching. Both parents feed young. Two eggs typically hatch, but very rarely or never does more than one young bird survive. Young is able to fly at about 3 months after hatching.
Downy young leave nest within a few hours after hatching. Both parents feed young. Two eggs typically hatch, but very rarely or never does more than one young bird survive. Young is able to fly at about 3 months after hatching.
Omnivorous. In winter, eats insects, shrimp, crabs, clams, snails, frogs, snakes, small fish, seeds, acorns, roots, berries. Summer diet not well known, probably a similarly wide variety of animal and plant matter.
In courtship, pairs "dance," leaping into air repeatedly with flapping wings, bills pointed upward, giving bugling calls; dance has a dignified look. Other displays include bowing, tossing tufts of grass in the air, and loud trumpeting or "whooping" calls. Nest site is on ground, typically on marshy island in lake or pond. Nest (built by both sexes) is a large mound of grass, weeds, mud, with depression at center.
Audubon’s scientists have used 140 million bird observations and sophisticated climate models to project how climate change will affect this bird’s range in the future.
Zoom in to see how this species’s current range will shift, expand, and contract under increased global temperatures.
Choose a temperature scenario below to see which threats will affect this species as warming increases. The same climate change-driven threats that put birds at risk will affect other wildlife and people, too.
Dixon joins the bird conservation organization from the Appalachian Trail Conservancy.
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