[DOC] [TLE] 7 Animals That Turn White in Winter | Britannica.com [PAR] In fact, most Arctic animals do not change color with the seasons at all, even ... All 
three species of ptarmigansa genus of birds related to grouse, chickens, ... The 
air bubbles in their winter featherswhich may help with insulationscatter... [DOC] [TLE] White-tailed ptarmigan - Wikipedia [PAR] The white-tailed ptarmigan (Lagopus leucura), also known as the snow quail, is 
the smallest bird in the grouse family. ... By winter all the summer brown feathers 
are lost and the bird is completely white. .... ptarmigan was given the scientific 
name Tetrao (Lagopus) leucurus by the Arctic explorer John Richardson in 1831. [DOC] [TLE] Ptarmigan in Winter | BirdNote [PAR] Both the Willow Ptarmigan and these White-tailed Ptarmigan, feathered mostly 
brown in summer, are utterly transfigured by an autumn molt. As snow begins to... [DOC] [TLE] Dressing for Winter - eNature: Articles: Detail [PAR] In northern landscapes both predator and prey may grow a white winter coat to 
help ... What other tricks help keep Arctic birds and mammals warm? ... It is not 
the color white that gives the white feathers of the ptarmigan (a grouse-like 
ground ... In the northern part of their range, most Long-tailed Weasels turn white 
in winter;... [DOC] [TLE] Thermal consequences of turning white in winter: a ... - DOI [PAR] Thermal consequences of turning white in winter: a comparative study of red 
grouse ... The red grouse Lagopus lagopus scoticus differs from the willow 
grouse L. l. lagopus of ... in birds can have important consequences for heat 
transfer through the feather layer. .... Zoogeographical and ecological problems 
in arctic birds. [DOC] [TLE] Thermal consequences of turning white in winter: a ... - BioOne [PAR] study of red grouse Lagopus lagopus scoticus and Scandinavian willow grouse L
. l. ... grouse L. l. lagopus of mainland Europe in not developing a white winter 
plumage. ... have important consequences for heat transfer through the feather 
layer. We examined .... north of the Arctic Circle, at approximately 67uN,. 18u E) 
in... [DOC] [TLE] Perfect Winter Camouflage : Birds.com: Online Birds Guide with ... [PAR] Jan 29, 2007 ... ... Arctic Loon (Gavia arctica)  Andean Condors (Vultur gryphus)  American ... 
The Ptarmigan is a type of grouse living in the far north, in Alaska, ... So the 
Ptarmigan molts into brilliant white feathers in winter. ... Since it lives farther south
, in regions with little snow, it does not need to turn white in the winter. [DOC] [TLE] Boreal Forests of the World Bird Species - Willow Ptarmigan [PAR] Recognizeable as a ptarmigan by feathered toes and large amounts of white on 
the ... Head and neck bright chestnut, the feathers on the back part of the latter 
and ... Ptarmigan are arctic grouse. Theya have a separate summer and winter 
plumage. In winter, they turn primarily white from their rufous summer colouration. [DOC] [TLE] Ptarmigan May Be Tops in Adapting to Winter Weather | Audubon [PAR] Feb 14, 2014 ... Only one bird genus molts into all-white feathers each year. ... including the 
ermine and the Arctic fox, the ptarmigan's gray-brown summer garb transforms ... 
Grouse in general are unusual in part for their seasonal footwear. [DOC] [TLE] Thermal consequences of turning white in winter: a ... - ResearchGate [PAR] There were no differences in feather density, plumage depth or thermal 
resistance of the plumage between dark rufous Scottish ... study of red grouse 
Lagopus lagopus scoticus and Scandinavian ... l. lagopus of mainland Europe in 
not developing a white winter plumage. .... north of the Arctic Circle, at 
approximately 67uN,. [DOC] [TLE] Hinterland Who's Who - Ruffed Grouse [PAR] Droppings and feathers show where grouse have been, roosted, or paused in 
hiding. .... This, in turn, is influenced by her diet in winter and early spring, which... [DOC] [TLE] BBC Nature - How wildlife copes with winter in the Cairngorms [PAR] Jan 20, 2014 ... Winter on the Cairngorm plateau can be hard for wildlife, how have they ... 
Britain's

Question: The feathers of this arctic grouse pturn white in winter
Answer: the ptarmigan