March 23, 1948, Corvallis - 12-mile Swamp, 1240-1300 40 Brkn, nearly calm, 60°F. Mallards - 8 Pintails - 3 Vultures - 5 Retail Hawk - 1 Sparrow Hawk - 4 Pheasant - 1 Flicker - 1 Robin - 5 W. Bluebirds - 6 Audubon Warbler - 2 Song Sparrow - 1 AND RETURN: 1450-1510 Mallards - 4 Vultures - 2 Sparrow Hawk - 2 Pheasant - 3 Flicker - 9 Robin - 18 Pipit - 1 Audubon Warbler - 2 Meadowlark - 3 (1 singing from 50' perch) Golden-crowned Sparrow - 23 Song Sparrow - 1 March 23, 1948, 12-mile Swamp: 1300-1450, 50 Brkn, SW 5-15, 60-65°F. Water way up ! Blue Heron Lesser Canada Geese - 600 swimming in flooded field north of swamp Mallards - perhaps 30 or 40 altogether Pintails - about 25 seen, 1/2 M and 1/2 F Green-winged Teal - not over 30 or 40 seen Shovellers - 50-75 - 1/2 M and 1/2 F or immatures Ruddy Duck - just one seen Hooded Mergansers - a pair diving and feeding in deep water above west bridge. Vultures - 3 circling together over area most of the afternoon. Watched 1 Raven chase 1 vulture. The vulture sailed while the Raven beat the wings rapidly to keep up. Marsh Hawks - both M & F seen. Also found fresh kill of Coot at edge of water in pasture area. Pheasants - Adult M & F and young birds flushed from brush and fencerow areas everywhere. Coots - about 50 seen in north end, and I flushed another 75 or so at south end. Wilson Snipes - flushed a couple of singles Killdeer - just one seen on the ground. Flickers feeding on the wet pasture ground Violet-green Swallows - perhaps 25 or 30 feeding high in air over the swamp area. Ravens - several seen and heard. One chased a Vulture, and had to flap wings rapidly to keep up with sailing Vulture. W. Crows - 26 in one flock in field east of swamp. Seattle Wrens scolding from fence row Tule Wrens singing here and there throughout the marsh area. Robins - a few W. Bluebirds - several hovering over field, and perched in fence rows. Pipits - saw 15 or 20, most very tame, and just walked away from me in the stubble field. Also saw 3 of them in a tree NW Shrike - perched on wire line by the swamp. Audubon Warblers - dozens and dozens of them present. Most very busy catching gnats and Mayflies that were common in large swarms today. W. Meadowlarks singing from the ground and from fence posts. NW Redwings - none present when I arrived at the swamp, but at 1315 a flock of about 50 came in all at once, and they soon started to "kokalee-ing". Some conflicts took place, possibly over territories. Oregon Towhees - not so many present now, but still busy in the fence rows. Savannah Sparrows in stubble field. 3 flew into rose clump beside the railroad tracks, and perched on the upper twigs. A meadowlark flew in with a rush to chase them away from this clump. Oregon Juncos still in flocks of 25-50. Feeding in fence rows, and on the ground Golden-crowned Sparrows - saw 30 or 40 in fence row thickets, and feeding on the ground. Song Sparrows here and there, singing. Mar. 25, 1948 - Corvallis - Evening grosbeaks - Still scattered individuals flying about Robins - still flying to night roost in hills N. of town. - 6 p.m. Purple Finch - Seen around the campus most of winter. Several have been singing past month.