Been awhile since I've seen one of these. Favorite food source is Carpenter ants. This one found a nice Camponotus Pennsylvanicus colony and worked it for quite awhile today:
(for those who have never seen these, they are the largest Woodpecker in the US, and about the size of a crow)
Edited by noebl1, August 28 2016 - 7:34 AM.