Mr. Nutz: Hoppin' Mad

Similarities to the other Mr. Nutz game are limited to the title and the main character, although both are side-scrolling platform games. Mr. Nutz the squirrel is holidaying on Peanut Planet when he's called into action to save the local people from a race of chickens. Nutz can fly, swim and dive as he travels the planet on his quest. The level layouts include tunnels and warp zones. Bonus items and additional weapons including bombs are available along the way.

Source:

Neon Software (now Keen Games) website - Amiga