Turkey, Gascony, France. Free-range birds may be at risk if Avian Flu (Bird Flu Virus) spreads

Game Pheasant, pair, Rhineland-Palatinate, Germany (Phasianus colchicus)

Willow ptarmigan (Lagopus lagopus) in full-white winter plumage watches for danger on a bright February day, Anchorage, Alaska, United States of America

Close-up portrait of a Willow ptarmigan (Lagopus lagopus) in full-white winter plumage watching for danger on a bright February day, Anchorage, Alaska, United States of America

Close-up portrait of a male willow ptarmigan (Lagopus lagopus) showing early breeding colors in its neck and eye combs, surveying its high-country territory in Southcentral Alaska's Chugach Mountains on an April day. The head and neck will become completely chocolate-brown as the bird's breeding colors develop, Alaska, United States of America