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Most snakes can see a limited range of colours, but the blue-banded sea snake has regained genes lost millions of years ago that may let them see ultraviolet and blue light
Genomic sequencing suggests the mysterious animal, considered extinct since 1905, is the closest relative of dogs and that its ancestral DNA has been widely inherited by man’s best friend.
The results challenge previous theories about the origin of dog domestication
Researchers say the Japanese wolf and dog share a common ancestor, an extinct species of gray wolves. Asian dog breeds like the Shina Ibu share as much as 5 percent DNA with the Japanese wolf.
The extinct Japanese wolf is not the direct ancestor of dogs but its DNA shows it is more closely related to those ancestors than any other wolves yet found