Thanks Click, juanMa and ISv! That was taken after the sun had dropped behind the trees so it was a lot cooler but I've spent days sitting in the mud waiting for to get close enough(and/or do something interesting).
July and August are usually the big months for the Yellow Crown's, mainly because the crabs are plentiful and there are young herons getting ready to fledge. One full adult put on quite the show for me, catching a dozen crabs in short time. Here is one of the highlights that I jokingly named 'Hanging On'.
1DX MK II : 600 f/4 II 1/2000 : f/10 : ISO 1000