1perdiz blanca feminine
- 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.
- 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.’
- Most game birds are also galliforms, including grouse, partridges, pheasants, quails, ptarmigans, and wild turkeys.
- In winter, the ptarmigan is covered by a pure white mass of feathers which blend seamlessly with snow.
- Willow ptarmigan, rock ptarmigan and spruce grouse are a few of the ground-dwelling birds.