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Black Squirrel


Grey mating pairs can not produce black offspring. Grey squirrels have 2 copies of a normal pigment gene and black squirrels have either 1 or 2 copies of a mutant pigment gene. If a black squirrel has 2 copies of the mutant gene it will be jet black. If it has 1 copy of a mutant gene and 1 normal gene it will be brown-black.[1] In areas with high concentrations of black squirrels, mixed litters are common.[2]


They are common in the Midwestern United States, Ontario, Quebec, parts of the Northeastern United States and Britain.


This squirrel was just outside the entrance of a school in bushes. He allowed me to get within 6ft of him. After about one minute he ran up a nearby tree.

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Longmont, Colorado, USA

Spotted on Jun 4, 2013
Submitted on Aug 5, 2013


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