in what biomes can black, gray, and albino squirrels be found
Check these sites.
http://en.wikipedia.org/wiki/Black_squirrel
http://en.wikipedia.org/wiki/Eastern_grey_squirrel
http://en.wikipedia.org/wiki/Squirrel#Albino_squirrels
http://en.wikipedia.org/wiki/Black_squirrel
http://en.wikipedia.org/wiki/Eastern_grey_squirrel
http://en.wikipedia.org/wiki/Squirrel#Albino_squirrels