While not technically an anime, per say, since it is not from Japan, Yobi the Five Tailed Fox is an excellent family film that has a similar style to that of Studio Ghibli. The story of Yobi the Five Tailed Fox tells us a Korean folk tale legend about Kitsune like creatures who could become human if they stole a human’s soul. Because of that belief, that the foxes could steal souls, they became hunted almost to extinction.
Except for Yobi, the “young” (if 100 years old is young) fox who lives in the forest with her farting alien family who are trying to repair their spaceship to return home. One of her family members wanders into a summer camp for humans near the forest one day and Yobi goes to the camp in her human form to try to convince the alien to return back home.