Marshall 1941-1942 Piculus rubiginosus Mt. Cacaguatipic Dec. 25, 1916 Common in dense stands of small oaks and in finer shade trees. Notes v flicker - long rolling wick-wick-wick - higher & faster than flicker, also single loud clear keeerr but higher than flicker. Usually found working on very small twigs, would crawl all around them upside-down, etc. Often working on same limbs with Balanophya.