Ernie Janes / Four Labrador Retrievers waiting at a pheasant shoot, Norfolk, England, UK, December.

Ernie Janes / Yellow Labrador on lead retrieving on pheasant shoot, UK

LYNN M. STONE / Pair of Chesapeake Bay retrievers sitting at edge of deciduous forest, Waterford, Connecticut, USA

Philippe Clement / Vizsla hunting dog sitting. Ardennes, Belgium, October.

Ernie Janes / Domestic dog, two Golden retrievers coming out of water on beach, UK, October

Ernie Janes / Domestic dogs, two black Flat-coated Retrievers at coast, Holkham, Norfolk, UK, September 2008

LYNN M. STONE / Two female black Labrador Retrievers at dawn on salt marsh, Charlestown, Rhode Island, USA, October

LYNN M. STONE / Pair of female black Labrador Retrievers at dawn on salt marsh, Charlestown, Rhode Island, USA, October

LYNN M. STONE / Pair of female black Labrador Retrievers at dawn in salt marsh, Charlestown, Rhode Island, USA, October

LYNN M. STONE / Pair of black Labrador Retrievers in spartina grass of salt marsh, Charlestown, Rhode Island, USA

LYNN M. STONE / Pair of black Labrador Retrievers in spartina grass of salt marsh, Charlestown, Rhode Island, USA

LYNN M. STONE / Two black female Labrador Retrievers sitting in grass, Rhode Island, USA