Dusky grouse (blue grouse) (Dendragapus obscurus) hen, Glacier National Park, Montana, United States of America, North America

Blue grouse (Dendragapus obscurus) hen, Waterton Lakes National Park, Alberta, Canada, North America

Chicken penned inside a hen house, Cotswolds, United Kingdom. If Avian Flu (Bird Flu) spreads from Europe all poultry may be forced indoors.

Chickens on a farm; Armstrong, British Columbia, Canada

Chicken coop with sign for fresh eggs and the names of the chickens; Bothell, Washington, United States of America

Two girls standing in a garden, holding chicken and picking vegetables

Blond girl and two chickens standing next to tree stumps in a garden

Free range chickens outdoors in early morning light on an organic farm

Free range chickens outdoors in early morning light on an organic farm

Free range chickens emerging from a hen house

A young girl holding a chicken in a henhouse, Texas, USA

Free range chickens coming out of a hen house

A free range chicken in woodland in early morning light

Free range chickens outdoors in early morning light on an organic farm

A free range chicken in woodland in early morning light

A free range chicken in woodland in early morning light