All of your recent photos have been incredible, Julia. And this one is definitely one of your best of all time. The positioning is fabulous and so is the expression you've captured. The focus is perfect, nice and sharp with detail and the colour is great as well. You should definitely enter this one in that contest that you were telling me about.
In this zoo dogs are allowed so there are many. Usually I don't think that's such a great idea but in this case it was pretty usefull. The funny thing is that the dog didn't seam to be impressed by Porgy at all.