A complete lack of,or biochemical inability to produce "black",(and other dark pigments associated with melanin.) is a definition of a condition usually referred to as "amelanism"...just playing devil's advocate here,but what is the difference between this genetic condition,(the one shown in Milkman's first photo.)and the "rusty" Sonoran gopher? I don't think either one is a T positive albino,in the truest sense,but the two seem very different from typical examples of recessive hypomelanism,which reduces visible melanin,but does not usually change it's outward characteristic to the extent that areas that should show at least "some"black,instead display a different color completely.(like the tail bands.) just expressing a few thoughts here,it seems as though the "Trumbower hypo" doesn't start out with this extreme "amelanistic" appearance,but rather changes as it matures.

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