. . . . . . . "1970-01-01T00:00:00Z"^^ . . "Picoides pubescens" . . "Dendroctonus rufipennis" . . "Koplin, J. R. and P. H. Baldwin. 1970. Woodpecker predation on an endemic population of Engelmann spruce beetles. American Midland Naturalist 83:510-515." . . . . "Allen Hurlbert. 2017. Avian Diet Database." .