Sexual Differences in Foraging Behavior of White-Headed Woodpeckers
Field observations of White-headed Woodpeckers (Dendrocopos albolarvatus) in Southern California are described. A pronounced sexual difference in foraging behavior was noted with males utilizing the upper portions and cones of Colter Pines and females the lower portions of the main trunk. These differ somewhat from previous observations of other species of sexually dimorphic woodpeckers.
Koch, Robert F.; Courchesne, Armand E.; and Collins, Charles T.
"Sexual Differences in Foraging Behavior of White-Headed Woodpeckers,"
Bulletin of the Southern California Academy of Sciences:
Available at: https://scholar.oxy.edu/scas/vol69/iss1/9