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Richardson’s Columbian Squirrel – Illustration by John James Audubon
from The quadrupeds of North America, published in 1851
Ring-tailed Ground Squirrel – Illustration by John James Audubon
from The quadrupeds of North America, published in 1851
Say’s Squirrel – Illustration by John James Audubon
from The quadrupeds of North America, published in 1851
Soft-haired Squirrel – Illustration by John James Audubon
from The quadrupeds of North America, published in 1851
Thirteen-lined Ground Squirrel – Illustration by John James Audubon
from The quadrupeds of North America, published in 1851