"Pileated Woodpeckers forage in large, dead wood—standing dead trees, stumps, or logs lying on the forest floor. They make impressive rectangular excavations that can be a foot or more long and go deep inside the wood. These holes pursue the tunnels of carpenter ants, the woodpecker’s primary food. The birds also use their long, barbed tongues to extract woodboring beetle larvae (which can be more than an inch long) or termites lying deep in the wood. When hammering into this soft wood, Pileated Woodpeckers use their long necks to pull far back from the tree, then make powerful strikes with their heavy bills, pulling with their feet to increase the strength of the blow. The sound is often audible as a heavy thunk, and large chips of wood collect on the ground below. Pileated Woodpeckers are monogamous and hold large territories; it’s rare to see more than two birds together at a time. When one member of a pair dies, the other often gains a new mate, and this is one of the main ways that new individuals get a chance to breed and hold a territory. Their flight is strong, but slow and slightly undulating; the wingbeats are deep but quick and somewhat unevenly paced." Cornell
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