R.K.Salander, 1952 65 Sept. 5 Rio Mezquital, 6850 ft., 12 mi. NE Durango, Durango, Mexico. Prove about 2 miles to point where dirt road makes a ford across the river. Mode camp along river under cotton woods. Across the river there is a large tule mosh covering at least 1/2 square mile. Hunted through this for 1 1/2 hours. No indication of wrens. [anas diazi] Saw several mallards, [took one for the pot], about 10 common teal, + 15 killdeers, 3 solitary sandpiper, (one taken along the river). Returned to camp and then hunted along the river in cotton woods, taking a Tylannus sp. (preserved in formalin), one Chordeiles gammaceus (in formalin). Saw several chipping sparrows, a small group of blue grosbeaks, 5 yellow warblers, 2 brown towhees (in tuna cortes and brush near cotton woods), one green kingfisher, 2 sparrow hawks, several white-fronted doves, numerous inca doves, few mourning doves, one black phoebe, 3 killdeers, 3 Audubon coracoras, one solitary sand piper, one sharp-shinned hawk (?), [?ila woodpecker (two seen - very large - in tuna cortes). Then hunted in mixed tuna cortes - mezquite association on the hillside just across the river. Vegetation very thick. Heard a cortes wren or two. Took two Toxostoma currucothe in tuna cortes and one mequite. Their note is a liquid "swee-lee", sometimes given "swee-we- bee" Sometimes more like "swee-beet". Call given repeatedly. These thrushes rather easily approached. Also took on 2 lotares in mezquite. Skinned specimen at night. At about 9:00, I heard