Curious about melanistic gray squirrels
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by escholzia
We have melanistic gray squirrels in my area of California, but they are pure black - never mottled. They are very common in my area, making up about a third of all tree squirrels. Is this a different mutation from the one you are asking us to look for?
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by mason_UWI scientist
It is very likely the same mutation. I wrote a blog post regarding melanism in different species a while back.
Melanistic squirrels in Chicago are often pure black as well, but are no where near as common.
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by escholzia
OK, cool. I thought the absence of partial melanism might imply different dominance.
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They were also transported around the country as curiosities. The black squirrels in the DC area were imported from Canada. History of DC squirrels
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by escholzia
The ones in my area were introduced to Stanford University in the 19th century. There's an urban legend that they're lab mutations. I call them "squirrels from Mordor", but most people think they're cute.
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