Crickson 1934 2 Centurus u. eupizzalis attempted to catch it, got to base of trunk of mesquite about a foot through; stayed on opposite side from me with complete success; several times climbed up trunk a foot or more; evidently preferred this to being on ground; finally caught when second person came up; squawked loudly; mate came calling; flew off as started to follow it and mate - male became silent; taken in tree 50 yds away; both had been feeding on mistletoe berries. A single one seen flying over head north of camp; flight seemed that of flicker; stuffed in top of mesquite; collected. Bates Well, Pima Co., Ariz Jan. 30, 1934 Species assenerous and calling continuously in Growler Pass east of Bates Well and up onto lava hills both to-day and yesterday. One called from top of giant cactus, flew down to lava rock; drank by sipping from water collected in hollow of one of rocks; dipped bill in then lifting head chicken fashion; did this three times when seen, then flew to mesquite trees in Pass. Bates Well, 1385 ft. Feb. 2, 1934 1 individual seen working about 3 ft from ground in a mesquite tree means main work; collected. Was perched on upper side of sloping branch; worked at same spot for a minute, pecking hard enough to make an audible sound. Mate? called persistently in general region soon after female shot.