Dave Bevan / Juvenile Brown rats (Rattus norvegicus) raiding a chicken nest in a barn, filmed at night using an infra red camera, Carmarthenshire, Wales, UK, December.

Lynn M Stone / Free-range New Hampshire rooster, by corn pile in snow-covered field. Higganum, Connecticut, USA.

Ernie Janes / Bantam hen (Gallus gallus domesticus) close up sitting on chick, Norfolk, UK, April.

Ernie Janes / Five newly hatched chicks in a row

Mark Taylor / Portrait of a Partridge Pekin Bantam.

Ernie Janes / Farmyard chicken (Gallus gallus domesticus) free range, mixed breed, Norfolk, UK. Property released

Ernie Janes / Farmyard chickens (Gallus gallus domesticus) free range, mixed breed, two perched on tractor bonnet, Norfolk, UK. Property released

Ernie Janes / Farmyard chicken (Gallus gallus domesticus) free range, mixed breed, perched on fence, Norfolk, UK. Property released

Ernie Janes / Collecting free-range organic Chicken eggs (Gallus gallus domesticus) UK, September 2005

Ernie Janes / Collecting free-range organic Chicken eggs (Gallus gallus domesticus) UK, September 2005

Gary K. Smith / Domestic Welsummers bantam chicken (Gallus gallus domesticus) with one-day chicks, Norfolk, UK September

Georgette Douwma / A rescued battery hen. They often lack feathers when they come out of the battery barns. UK.