Howell, T.R. 1949 S. u. daggetti 12 Crowder Flat, 5200 ft., 38 mi. NNW of Alturas, Modoc Co., Calif May 24 (cont'd.) bird appeared from lower on the tree. 1st bird leaves. 2nd goes right to hole, starts to clean debris out of hole, usually half way in. 10:37 Hitches up the tree about 3 ft., then flies to hole - silent- preens and continues cleaning out hole. I did not hear any pecking. 10:42. Bird seems nervous, hitches up 3ft, then back to hole. 10:45 1st bird returns, both squawk. 2nd leaves, 1st goes right to work. 10:50 Bird all the way in except for tip of tail. 11:02 2nd comes to juniper close by - soft squawks other still busy in the hole. 2nd goes to aspen, alights just above hole, shifts about. No response from 1st. 2nd moves to another free close by. A Hairy Woodpecker appears near the aspen, and is chased to a yellow pine about 60 ft away by the 2nd bird. Then it goes and chases the Hairy out of the pine. The Hairy shows no resistance, there is no fighting. The saps. is quiet, the Hairy kyip's a few times. The 2nd returns to a nearby aspen, alights for a moment at a hole about 8ft up, flies away. 11:07. 1st bird still in hole, has taken no notice. 11:10 2nd