The Pileated Woodpecker
By Rick Claybrook, Wildlife Biologist (Retired)
The pileated woodpecker, sometimes locally called a “Lord God” or “Indian hen,” is the largest resident woodpecker found today in Alabama. The one exception would have been the larger native ivory-billed woodpecker. However, the ivory-billed woodpecker is long believed to be extirpated from the state due to the vast destruction of its old growth forested habitat. Unfortunately, like in other states, no recent sightings or scientific evidence suggest the existence of the ivory-billed woodpecker in Alabama.
Shy and wary of humans, the pileated woodpecker is not known to migrate long distances. Its flight is strong with irregular flaps of the wings. Both sexes drum on a selected hollow dead tree, a loud rolling tap that can last up to five minutes to announce their territory dominance to other inhabitants and to attract a mate. The pileated will also drum before it is about to go to roost. The pileated emits a loud repetitive call – never just a single note. Once you have heard and identified the call (almost a laughing sound) of the pileated woodpecker, you will not likely forget it. The famous cartoon character Woody Woodpecker was modeled after the pileated woodpecker. However, the exasperated laughing sound made by Woody certainly does not entirely mimic the vocal sound emitted by the pileated.
When foraging, the pileated uses its large strong bill to strip bark and chisel characteristic rectangular holes up to six inches in width in decaying trees. Its diet consists mainly of wood-boring insects and it is especially fond of carpenter ants. It is common to see where the pileated has demolished rotten stumps and logs in search for these little morsels. Seasonal nuts and berries also make up this woodpecker’s well-rounded diet.
Pileated woodpeckers are very good parents and thought to pair for life. They are very selective of their nesting cavities and will return to the same nesting site year after year. Deciduous trees are seemingly preferred for constructing nest cavities. This may be due to the denser composition and physical ability of hardwood trees to endure the wearing elements of nature longer.
Because of its large size, the pileated prefers large trees for nesting and for roosting. Tree diameter size can be up to and greater than 20 inches. Nesting cavity height can be 15-80 feet above ground. The somewhat triangular designed cavity entrance hole is approximately 3 ½ inches across at the top and 4 ½ inches across the bottom and generally faces in a south or east direction. The cavity hole is also outwardly and downwardly beveled, most likely to aide the woodpecker in entering and leaving cavity entrance. Depending on the wood density of the selected tree, it may take a pair up to two months to complete a single cavity.
Generally the pileated constructs a new cavity for each brood or deepens an old cavity before using it for a second time. A cavity can be from 10-30 inches deep. It is not uncommon for a single tree that has been used for several years to contain several constructed cavities. Each member of the pair excavates and uses its own roosting cavities located within their territory and not far away from the nesting cavity.
Beginning in early April through May, the female lays three to eight eggs in the cavity, which is lined only with fine splintered wood shavings. Both parents incubate the eggs with the male assuming the incubation role at night. After two weeks, the young hatch naked with eye s closed. The parents are very defensive and caring of their young. They feed the new hatchings, which will fledge in about a month, regurgitated insects by inserting their long bill into the throat of young. The youngsters will remain with the parents for up to three months after leaving the security of the nest cavity. During this time, they are taught how to forage for themselves and other secrets of the wild. This period spent with the parents greatly increases their survival.
The virtue of the pileated woodpecker’s adaptability and good parenting skills have greatly contributed to the survival of this monarch woodpecker. The distant cry of a pileated in the wild will turn anyone’s head for just a glimpse of this beautiful bird.