I was stalking this wood duck for an hour or so. During this time I was thinking about the benefit of photographing wild creatures who are accustomed to a constant human presence (this picture was taken at a semi-urban park near San Francisco). I try to avoid harassing animals while I take pictures of them and I can get much closer to these urban animals than I creatures living in, for example, a larger/more remote sanctuary. It was also interesting to realize that these ducks were eating whole acorns! Those don’t seem easy to digest – even squirrels chew them at least.