Poking and prodding anything that they can is how White Ibis feed. Most of the food is small and gets sucked in without a casual passer by seeing it.
This Ibis was moving in a meticulous pattern, back and forth around these tree trunks.
Yes, it is amazing they stay so clean looking while rooting around in the mud.
The water is higher than usual after recent rain, but it was no deterrent to an Ibis looking for lunch. They have no fear of what might be lurking in the depths.