What's for dinner?

While we were at the zoo, we worked our way around all the animals and eventually came to the herpetarium (it's the reptile house in case you're wondering). Alex and Emily looked and shrieked at all the snakes and then we got on to the Crocs.
There were a couple of ponds with crocodiles of varying sizes in and then an empty pool like this:
This doesn't look good, I thought to myself. That fence looks like it's been broken down. Sure enough, around the next corner we came across:

Photo by Scott Kinmartin.

I pegged it and I think Sunme and the kids ran for it too...but it is a bit worrying that they're still not home after 48 hours...