Richardson 1937 59. Brewer Sparrow (Zonotrichia breweri) May 26, 1937 north 20 mi A., Warner Valley, Oregon. - As men- tioned in the general comment for today, this species was common on a high sagebrush mesa. Many birds were singing but the estab- lishment of definite territories was obscure (probably as little time was had for study). One bird was seen with nesting material. A second bird stayed near it so it went from bush to bush apparently with no nest yet started. Suddenly the second bird (?) copulated with the first (?), the nest material still held in the mouth. A third bird appeared and a chase of all three ensued but which remained the aggressor was undetermined. June 3, 1937 Barley Camp, Warner Mts., Oregon - This species is still present though this location is several thousand feet higher than the 20-mile Cr. camp. Their distribution is still restricted, however, to the Artemesia (still common though some- what dwarfed) - typically to extensive sagebrush areas and rarely where conifers or opens intertwine much with sagebrush.