Like most people, you have probably never seen a laughing Chiense Alligator?
Well, if you look at the photo on this page, you can say you have now..
We're not sure what Shaun Jnr is laughing at, but we'd guess it's probably something to do with his and his mating partner Sky's recent EGGciting news...
Either that, or Sky has just told him a funny joke.