Lol very well-drawn..and as you say, just for a laugh. Only 2 small comments:
The ostrich's expression is just a the tiniest bit vague to me; I can't quite tell if he's meant to be confused, bemused, vacant, etc. Just a slight tweak one way or another should do it!
I could be wrong but I think there's something bad about using a gradient on the beige ground-colour...double-check the printing pdf but I think gradients can only go on simulated process.