willow ptarmigan

(redirected from willow ptarmigans)
Related to willow ptarmigans: Lagopus lagopus

willow ptarmigan

n.
A ptarmigan (Lagopus lagopus) of Arctic regions, having brownish plumage that turns white in winter. Also called willow grouse.
References in periodicals archive ?
As willow ptarmigans begin molting into white plumage that conceals them in snow, singing voles build forage piles of vegetation for winter feeding.