To be honest, I'd almost forgotten about them. I put two on Play Town,:

https://medium.com/playtown/the-tiger-and-the-wolf-6e4d9cb4ae7f

https://medium.com/playtown/the-wolf-and-the-goat-f59ea5fc2954

The mango crops up in story 3 - The Goat and the Seahorse. It's a cycle of 12 animal tales, with one character from each continuing into the next story.

When I wrote them, e-book self-publishing wasn't really a thing yet, but I should dust them off and release them.