Sight Reco Report 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 Cerulean Warbler Date(s) 27 May 1974 Location Oasis Ranch County Mono State Calif. Elevation Observer Van Remsen Number of birds 1 Time of Day ~ 0700 Light conditions perfect Distance to bird 40-70' Optical equipment 10x50 binocs Length of time observed total time ~ 3 minutes - 3 separate periods Sex female Plumage (e.g. Breeding) Overall appearance and relative size: a small, stumpy, short-tailed warbler Bill warbler shape, dark Crown and forehead uniform dull bluish - definitely a bluish tinge. Contrasted with grayer back. Nape " Face very prominent white eye-stripe extending from bill over eye past auriculars. Triangular dark cheek patch behind eye pointing down, with hypotenuse bordering eye-stripe. Eye dark Throat grayish-white. In some lights appeared to have a buffy-yellow tinge Breast and sides " " Poorly defined streaks (2-3 darkish ones) on sides of breast. Belly and flanks: grayish white with perhaps a faint yellowish tinge. Undertail coverts whitish Back uniform grayish - no streaks visible Wings dark, extending past base of tail. Two prominent white wing-bars Underwings not seen. Rump not seen Uppertail coverts not seen