Eric Baccega / Black flat-coated retriever dog splashing in water and retrieving stick (Canis familiaris)
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Matthew Maran / Black and white border collie with stick, Hampstead Heath, England, UK, March.
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Neil Aldridge / Spaniel gundog holding a dead female Ring-necked pheasant (Phasianus colchicus) in its mouth during a winter shoot on shooting estate, southern England, UK. January.
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Neil Aldridge / Spaniel gundog hauling itself out of a lake carrying a dead female Ring-necked pheasant (Phasianus colchicus) shot during a winter country shoot on shooting estate, southern England, UK. January.
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Neil Aldridge / Wet labrador gundog emerging from lake with a male Ring-necked pheasant (Phasianus colchicus) in its mouth during a winter shoot on shooting estate, southern England, UK. January.
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LYNN M. STONE / Labrador Retriever retrieving toy from sea, Guilford, Connecticut, USA
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Ernie Janes / Yellow Labrador playing on a Norfolk beach, retrieving ball from sea, East Anglia, England, UK, December.
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Ernie Janes / Yellow Labrador playing on a Norfolk beach, retrieving ball from sea, East Anglia, England, UK, December.
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Eric Baccega / Black flat-coated retriever dog splashing in water and retrieving stick (Canis familiaris)
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Ernie Janes / Cocker spaniel retrieving a shot Common pheasant (Phasianus colchicus), Norfolk, England, UK, December.