Howell, T. A. 1948 8 mi. N. and 13 mi. W. of Canby, 4700 ft., Modoc Co., Calif. May 22 - 6:00 A.M. to 11:00 A.M. - Weather clear, not very cold (several degrees above freezing, at least). I went to the same locality as on the previous day, by the same route, in order to observe the Sapsuckers (see species account). There were at least 10 Canada Geese on the Reservoir, one Eared Grebe, one Mallard, and numerous Black Terns and a few California Gulls. Red- wings were in song. In the small pines along the shore I saw one White-headed Woodpecker, numerous Chipping Sparrows, Juncos, and Audubon Warblers. I collected a warbling Vireo in a small pine: the bird was fat and doubtless a migrant. In the "Sapsucker Grove" were 3 sapsuckers (doggetti) one ? Williamson Sapsucker, one Hairy Woodpecker, several Flickers, Calliope Hummers, and one or two Red-tailed Hawks. I collected an Empidonax which had a 2-syllabled "che-bic" call. Tree Swallows (one pair) were nesting or starting to nest in a woodpecker hole about 40 ft up in a dead pine; the birds went in and out of the hole repeatedly, and one of them chased after a Red-tailed Hawk which flew close by. Olive-sided Fly- catchers were calling frequently, and Pygmy Nuthatches and Mountain Chickadees were also noisy. I watched a ? Chestnut-backed