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In winter, the ptarmigan is covered by a pure white mass of feathers which blend seamlessly with snow.
The biologist and writer Julian Huxley, grandson of Darwin's great friend and supporter Thomas Henry Huxley, thought that the white plumage of the male ptarmigan might distract a predator away from the female.
Most game birds are also galliforms, including grouse, partridges, pheasants, quails, ptarmigans , and wild turkeys.
Willow ptarmigan, rock ptarmigan and spruce grouse are a few of the ground-dwelling birds.
In ‘Savings in a Snowbank’, Peter Marchand notes that ptarmigans and grouse often take refuge under a blanket of snow on cold nights, having ‘caught on to a trick no others use.’
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