Below are few examples of different squirrel designs:
[All images were accessed on February 7th 2016]
Chipmunk and squirrel screenshot was sourced from here
Hammy screenshot was sourced from here
Squirrel character sketches was sourced from here
Walking squirrel concept was sourced from here
Squirrel close up was sourced from here
Sleeping Beauty squirrel concept was sourced from here
Squirrel and birds screenshot was sourced from here
Nut Job screenshot was sourced from here
Realistic squirrel painting was sourced from here
Squirrel with nut concept was sourced from here
Squirrel hugging nut sketch was sourced from here
Sword In The Stone screenshot was sourced from here
Squirrel sniffing nut was sourced from here