Bagi, the Monster of Mighty Nature

(from MangaUpdates): A young jaguar named Bagi has been the local terror for years, ever since a local hunter killed his mother for poaching.

Now a big game hunter has been offered a lot of money to track him down, and unexpectedly gets a tool to actually talk with him…

(A 5-chapter shonen short serial done in the 70's that was adapted into an anime film in 1984.

Also includes 4 seinen oneshots.)