This would have made a nice video clip. You need to imagine the awesome backdrop of the mountains (since I can't be bothered to draw them that well) and the serene atmosphere and then the burst of chaos.
I love nature, especially the mountains but moths and other flying insects make them seem like horror movie sets. Leeches are alright as long as you don't see them. (It's quite interesting to see what happens when you sprinkle salt on them).
Anyway, the shark wasn't supposed to sit on the squirrel but on one side of the human while the squirrel sat on the other. Then I absent-mindedly drew the squirrel where I intended the shark to be and then was too lazy to change it. My humour is sometimes accidental.