Behle 1934 1/2 mi. S. Byron Hot Springs, Contra Costa Co., Calif. 150 Aug. 1 to drink by crouching at the edge and dipping the head down several times. If drinking they don't tip the head back. They are always wary of my presence with head up and if they pick up food it after long hesitation and watching. Some flocks are obviously feeding in the open but two single flock seem to remain long in one place. In other words there is considerable moving around of flocks. When a flock moves it is usually started by one running then maybe one or two more and finally all are on wing. ♀ 448 Otocoris alpestris actia Plumage generally has a fresh appearance Primaries 1-7 new and full grown. No 8 3/4 grown and No 9 just beginning. Alula has two large feather almost completely grown. Secondaries 1-4 new and full grown. No 5 new but only half grown out. No 6 is old. 7, 8, 9 are distinctive in appearance the three that Dwight has called