Other birds and insects come to eat the sap too. Sometimes the sapsucker eats the insects that visit his sap holes. He can also eat berries. The lines of holes don't hurt the tree because the tree heals up the bottom of the holes really fast. To hear the Yellow-shafted Flicker, click here.
Flickers are strange woodpeckers because they get their food from the ground instead of from a tree.
They eat more ants than any other North American bird. To Hear the Red-bellied Woodpecker, click here. Their bellies are a very light red that's hard to see. Their heads have a bright red crown. They peck on wood to get tree insects, but also get bugs from the ground.