Detail this asset from Unity Store: Original Link
This is a paid asset, but now you can download Low Poly Forest Package Free.
Low Poly Forest Package
Over 200 assets created in polygonal/geometric style to give Your game unique look. This style comes with very low poly numbers – biggest asset have around 600 tris, so the scenes created with this package are very mobile-friendly. There are no textures on assets, they are purely material-based. We only added 5 different textures for ground. You should find elements contained in this pack easy to work with – in case of any problems please contact with us!
There is no animation for people/animals.
WebPlayer – Here is scene with all assets so You can check how You like it! (Mozilla/Opera/IE friendly)