Avian Conservation Assessment Database. In mid-August, male ptarmigan are a patchwork of four sets of feathers: a few old winter feathers on the wings, new white feathers on toes and belly, and parts of the light spring and darker summer feathers. Email Us, Board of Fisheries and Game: Actions & Activities, Alaska Resources Library and Information Services (ARLIS), About the Division of Commercial Fisheries, Western Alaska Salmon Stock Identification Program (WASSIP), Online General Season & Registration Permits, Subsistence and Personal Use Fishing Permits, CSIS – Community Subsistence Information System, The Technical Papers and Special Publications Series. Only females incubate. Partners in Flight estimates a global breeding population of 43 million and rates the species an 8 out of 20 on the Continental Concern Score, indicating it is a species of low conservation concern. Specific plant foods include willow, blueberry, bearberry, horsetail, birch, poplar, avens, Viburnum (arrowwood), and seeds of various grasses and sedges. Habitat The willow ptarmigan can be found in the tundra and in thickets with alder and willow trees. Willow Ptarmigan is the only grouse species in which the male stays with the female and brood to defend them, and the pair may be together as long as 7 months. (2014). Young birds eat much the same plant matter as adults. In the winter, females and sub-adults may move to lower altitudes and seek shelter in … Its range is too far north for studies like the North American Breeding Bird Survey to track population trends. After the young fledge, adults in some areas move upslope, to molt into winter plumage at higher elevations. This rotund grouse of subarctic tundra lives year-round in areas where most bird species can survive only during the warmer months. A master of camouflage, the Willow Ptarmigan is snowy white in winter and an intricate mix of reds and browns in summer. The willow ptarmigan has a circum-boreal distribution. Get Instant ID help for 650+ North American birds. Range and Habitat Rock ptarmigan occur throughout most of Alaska. Pheasants, Grouse, and Allies(Order: Galliformes, Family:Phasianidae). To entice females, males perform elaborate courtship displays that involve fanning and flicking the tail, spreading the wings, bowing, parading, and drumming with the feet. HABITAT Willow ptarmigan favor summering sites in the tundra, the alpine tree line boundary and mountain slopes. In North America, most Willow Ptarmigan pair with the same mate in consecutive breeding seasons. The Cornell Lab will send you updates about birds, birding, and opportunities to help bird conservation. Sibley, D. A. In mountainous regions, lives near timberline or in They are found in open forests and shrub meadows high in the mountains where the temperature is colder. Unlike other ptarmigans, the male stays with the female and defends its nest-it is known to attack anything that comes to close. They are harder to find in summer, when their camouflage makes them hard to pick out against the tundra. The willow ptarmigan is the largest of three “Arctic grouse” found in Alaska, which also include the rock and the white-tailed ptarmigan. Pairs stay close to each other during courtship; males guard the females through incubation, which relatively few bird species do. In The Birds of North America (P. G. Rodewald, editor). The Sibley Guide to Birds, second edition. Rock ptarmigan are the only Alaskan ptarmigan species to occur on the In autumn, Willow Ptarmigan in western North America move upslope, often to sites above 6,000 feet, where they molt into their white winter plumage. During the breeding season, Willow Ptarmigan inhabit subarctic and subalpine habitats where there is abundant shrubby vegetation, usually places below 6,000 feet elevation. habitat shredding). 2017. Willow ptarmigan habitat occupancy increased with the areal extent of willow thickets, whereas it decreased with increasing degree of thicket fragmentation (i.e. Males also call and erect their red eye-combs, and females appear to select males with larger combs and more energetic displays. They are sedentary and primarily occupy subalpine and subarctic habitats such as sparse pine and birch forests, thickets with willow and alder trees, heather moors, taiga, tundra and mountain slopes. Willow ptarmigan inhabits treeless alpine- and arctic tundra habitats most of the snow-free season, but it also … Willow Ptarmigan: Small grouse, winter adult is all white with dark-edged tail and small orange-red eye combs. In winter, both sexes are pure white with black outer tail feathers. They feed typically just after sunrise and in the late afternoon, but during the long days of summer, they feed throughout the day. The interior of the nest averages about 7 inches across and about 4.7 inches deep. Leave nest within six to 12 hours after the last egg hatches. They inhabit most of their range during winter, and can be found roosting and feeding together during this time. Most species and subspecies also live in alpine ecosystems, which are higher and colder than trees can grow. Plumage changes throughout the year. The female makes a depression with her feet, lining it with moss, grass, leaves, and feathers. Family groups forage along streams or marsh edges. At this season, they favor flat, moist areas as opposed to steep, dry slopes.

Summer Tops Sewing Patterns, Niko Bellic Voice Actor Fired, Choice Hotels Reservations, Bicep Tight After Workout, Chanel Svg Images, Bicep Tight After Workout, 1848 Presidential Election, Lethe In A Sentence,