Jiff the collie represents “shaded yellow,” one of five coat color patterns in domestic dogs identified by Danika Bannasch at the UC Davis School of Veterinary Medicine and collaborators in the U.S.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A study published by Nature Ecology & Evolution shows that the ...

The stunning array of Miniature American Shepherd colors and coat patterns is just one of the reasons these dogs, also known as ‘Mini Aussies,’ are so popular. This compact herding breed showcases the ...

The shaded yellow phenotype produced by mutations on the ASIP gene are seen in a collie’s coat color. Susan Larson Some breeds of dogs are prized for their unique coat colors, such as the golden ...

Dogs come in all shapes and sizes, but variations in color patterns provide some of their most distinctive characteristics. A newly released study sheds light on a subset of these patterns, ...