Why chocolate labs don’t live as long as other retrievers - 1
Published 23 Oct 2018, 21:23 BST
A Basset hound.
Photograph by Joël Sartore, National Geographic Photo Ark
A Labrador cross.
Photograph by Joël Sartore, National Geographic Photo Ark
This dog is part Basset hound and part blue heeler.
Photograph by Joël Sartore, National Geographic Photo Ark
An Akita/pit bull cross.
Photograph by Joël Sartore, National Geographic Photo Ark
A Welsh corgi.
Photograph by Joël Sartore, National Geographic Photo Ark
A chocolate Labrador retriever.
Photograph by Joël Sartore, National Geographic Photo Ark
A two-month-old pit bull cross.
Photograph by Joël Sartore, National Geographic Photo Ark
An Airedale terrier.
Photograph by Joël Sartore, National Geographic Photo Ark
A three-month-old Chihuahua.
Photograph by Joël Sartore, National Geographic Photo Ark
A yellow Labrador retriever.
Photograph by Joël Sartore, National Geographic Photo Ark
