'As ptarmigans often walk on this substance, their feet are feathered for insulation & support'
Ice/snow
WATCH THE BIRDIE: As ptarmigans often walk on this substance, their feet are feathered for insulation & support
As ptarmigans often walk on this substance, their feet are feathered for insulation & support
As ptarmigans often walk on this substance, their feet are feathered for insulation & support
WATCH THE BIRDIE
Ice/snow
WATCH THE BIRDIE