Howell, T.R. 1950 S. various ssp. 34 mi. SW of Princeton, ft., British Columbia May 12 (cont'd.) - Between 7:00 and 8:00 A.M. there has been much tattooing with answers and yelps and screams, but I have seen only one bird- a tattooing ♂ nuchalis. He tattooed steadily for about 5 min., and there were several screams and yelps from about 50 yds away. He finally flew over from to where these sounds had last come, alighted, glided off with a rattle, went up the slope, and began tattooing again. I did not see the 2nd bird. Tattooing began again in about 20 min, right up at the top of the ridge. I went up and found a ♂ n. at a dead l-p. In a few minutes he flew over to a small aspen (one of several nearby) which was freshly tapped. Then he went on to another l-p. and tattooed. I walked 50 yds down the slope to where most of the yelps had come. A ♂ n. flew off from a fir, and did some flycatching. Then he went back to a dead fir about 40 ft high, broken top, and went to a hole about 8 ft down from the top. In a few minutes a ♀ n. appeared (blurry head-stripes, whitish upper throat) and went to the ♂; there were soft squawks, and the ♀ hatched up to near the top of the stub and preened. As this was an obvious nesting pair, typical n., I left. The ♂ was about half-in the nest hole Farther down the slope I heard and saw several more n.'s, but there is no way to be certain that