Please fill out as accurately as possible. Include only those details of which you are certain and only those observed in the field; leave blank details not observed. Attach any additional comments or details on separate sheets. Please print or type Species Bay-breasted Warbler Date(s) 3 June 1974 Location Deep Springs Ranch County Inyo State Calif Elevation Observer Van Remsen Number of birds 1 Time of Day ~0900 Light conditions good Distance to bird 15-100' Optical equipment 10x50 binocs Length of time observed total time of about 20 minutes Sex Male Plumage (e.g. Breeding) Breeding Overall appearance and relative size: a large, slow warbler. Bill dark, wattle shape Crown and forehead: chestnut Nape chestnut Face: Dark brown mask extending from base of bill above and below eye to auriculars. Contrasted with chestnut crown and throat Eye dark Throat chestnut Breast and sides: Chestnut. Buffy area on sides of breast extending onto neck to auriculars—definitely a buffy-white and not pure white as is shown in field guides Belly and flanks white. Some chestnut blotches fading into flanks Undertail coverts whitish. [Others who later saw the bird even closer claimed there was a buffy tinge] Back: Brownish with dark stripes. Wings Darkish. Two conspicuous white wingbars Underwings not seen Rump not seen Uppertail coverts not seen