Behle 1934. 6 mi. NW. Reno. alt 5500 ft. Washoe Co., Nevada Sept. 4 of the year, that is of the Ⓒ sex, lack the yellow white birds that are adult in their annual molt have the yellow present. Such is probably the case here again although upon casual examination I didn't see any as yet unmolted old feathers to prove that the yellow possessors were old males. The skulls of all showed a double wall. One would hardly expect much age diagnosis from this character since if they nest as early as Feb. and April the young are already several months old. The lot of these birds are practically complete as to their molt. The first few birds I was able to shoot with 4:10's but then the birds became more wary. While feeding in flocks upon any approach some would strain their necks watching me and when one would flyas a rule they all would. On a few occasions several individuals would remain a little longer and then fly. The characteristic notes were in evidence only when the birds were in flight. The backs of the birds blended in