The Ghosts of Gone Birds Haunts an Odd and Endangered Beetle
After centuries of losing countless birds and other small animals, a spiral of ecological consequences has taken its toll on American burying beetles.
Adult male. Photo: Becky Matsubara/Flickr (CC-BY-2.0)
Phasianus colchicus
| Conservation status | Intensively managed as a game bird in most areas where it occurs in North America. Some populations here probably not self-sustaining, but are maintained by releases of game-farm birds. |
|---|---|
| Family | Pheasants and Grouse |
| Habitat | Farms, fields, marsh edges, brush. May live in any semi-open habitat. Sometimes in open grassland but more often in brushy meadows, woodland edges, hedgerows, farmland with mixed crops. Access to water may be important; pheasants are often common around edges of marshes, and are rarely found in very arid places. |
Typically feeds on ground, sometimes in trees. On ground, scratches with feet or digs with bill to uncover food.
Usually 10-12, sometimes 6-15 or more. Plain olive-buff, rarely pale blue. Females sometimes lay eggs in each others' nests or in those of other birds; clutches of more than about 18 probably result from two or more females. Incubation is by female only, 23-28 days. Young: Downy young leave nest with female shortly after hatching; mostly feed themselves. Male may rarely accompany female and brood. Young capable of short flights at about 12 days, but stay with female for 10-12 weeks.
Downy young leave nest with female shortly after hatching; mostly feed themselves. Male may rarely accompany female and brood. Young capable of short flights at about 12 days, but stay with female for 10-12 weeks.
Omnivorous. Diet varies with season and place. Feeds on wide variety of grains and smaller seeds, fresh green shoots, buds, roots, berries, insects, spiders, earthworms, snails; rarely eats lizards, snakes, frogs, rodents. Diet may include more seeds in winter, more insects in summer.
Male defends territory by taking raised perch, giving crowing call while briefly drumming with wings. One male may have several mates, the females associating with each other in a small flock on his territory. In courtship, male struts in half-circle around female with back and tail feathers tilted toward her, near wing drooping, face wattles swollen. Nest site is on ground in dense cover. Nest (built by female) is shallow depression lined with grass, leaves, weeds.
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.
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