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 Arctic Tern Date(s) 5 August 1973 Location Bay Bridge Toll Plaza, Oakland County Alameda State Calif Elevation 0 Observer Van Remsen Number of birds 2 Time of Day 0715 Light conditions overcast but still ON Distance to bird 100 yards Optical equipment 15-60 X scope Length of time observed 20 minutes Sex unknown Plumage (e.g. Breeding) breeding Overall appearance and relative size: obviously a tern, but noticeably smaller overall than nearby Forstels Bill: shorter than Forstels, all red Crown and forehead: black Nape: white Face: whitish area below black cap, below eye; then a much grayer area below the whitish area. Eye: ? Throat: pale gray Breast and sides: pale gray Belly and flanks: pale gray Undertail coverts: not observed Back: gray Wings: gray with noticeably darker gray wingtips Underwings: not observed Rump: not observed Uppertail coverts: not obsd.