Photo by Jeff Mitton. Six species of swallowtail butterflies occur locally, and they combine yellow, black, orange. blue and red in several diverse patterns that invariably catch the eye. We can ...

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.

The yellow tint is called pheomelanin, and the black coloration is called eumelanin. Coat color patterns result from a regulated production of these two pigments, the Independent reports.

Cream This buff hue is considered one of the rarest cat colors out there, and it’s quite beautiful with its soft white and hint of orange undertone. (In fact, cream cats are technically ...

And domesticated cats of many coat colors and patterns bask in the sunlight of living rooms across the world. Scientists agree that hair follicle cells are the source of the black, brown, yellow ...