Molothrus ater June 12-15 Annie SE Beegum, 1650 ft, Tehama Co, Calif. Fairly common on the valley flat and along the bases of both north and south slopes. Occasional individuals noted on the higher part of either slope. On the valley flat males were observed following fairly definite, straight flight lines over distances perhaps 1/3 mile. The "beats" of several male cowbirds were noted to be placed in a similar manner. While each male may have such a flight line, these are apparently not entirely exclusionary; Miller reports two males observed perched on top of one tree. June 16-18 Annie E Hayfork, 2400 ft, Trinity Co, Calif. Fairly common in areas of more or less cleared woodland and about the woodland surrounding large grass-covered openings. Several males noted performing their back-and-forth flights along established routes near camp and along Big Creek. June 20-21 Two males similar observed in Duncan Gulch.