Mori no Densetsu
English name: Legend of the Forest
Genres: Adventure, Award Winning, Drama, Fantasy
Type: Movie, Episodes: 1
Aired: Dec 18, 1987
Studio: Tezuka Productions
Source: Original
Rating: G - All Ages
Synopsis:
A tranquil forest and all of its residents must face the destruction of man. A squirrel, born and raised in the forrest, fights to defend his home and faces trials and adversities along the way.

(Source: ANN)