Male mallard drake and female duck pair sleeping in meadow, The Cotswolds, Oxfordshire, UK

Male cock pheasant, Phasianus colchicus, and female hen pheasant in meadow in The Cotswolds, Oxfordshire, UK

Red-legged French Partridge, UK

Red-legged partridge also known as French partridge on dry stone wall in The Cotswolds, Oxfordshire, England, UK

Female pheasant perched in tree, The Cotswolds, Oxfordshire, United Kingdom

Male pheasant, The Cotswolds, Oxfordshire, United Kingdom

Male cock pheasant, Phasianus colchicus, in meadow in The Cotswolds at Swinbrook, Oxfordshire, UK

Female hen pheasant perched on a fence, Herefordshire, England, United Kingdom

Male pheasant, Cotswolds, England

Pheasant (phasianus colchicus) close, up of head, oxfordshire, uk

Pheasant (phasianus colchicus) male displaying, oxfordshire, uk

Pheasant (phasianus colchicus) close, up of head and neck, oxfordshire, uk

Pheasant (phasianus colchicus) male displaying, oxfordshire, uk

Male pheasant (phasianus colchicus) feeding, oxfordshire, uk

Pheasant (phasianus colchicus) male displaying, oxfordshire, uk

Pheasant (Phasianus colchicus) Close up of a cock pheasant, Angus, Scotland

Eastern wild turkey in northern Wisconsin.

Jake Eastern Wild Turkeys

Alectoris graeca, Rock Partridge

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

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

Red-necked spurfowl (Pternistis afer) on lichen-covered branch in profile, Serengeti, Tanzania

Chukar at Haleakala Volcano Crater, Alectoris chukar, Maui, Hawaii, USA