Field notes, July - Dec, Species Accounts: Cepphus to Calcarius, v1542
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Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
Sight Record 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 Chestnut-collared Longspur Date(s) 3 November 1973 Location Drathels Beach Rd, Point Reyes Natl Seashore County Marin State Calif Elevation 200' Observer Van Rensen Number of birds 3 Time of Day 0830 Light conditions excellent - sun from behind Distance to bird 50' Optical equipment 15X telescope, 10x50 binocs Length of time observed 5 minutes Sex Unknown Plumage (e.g. Breeding) non-breeding Overall appearance and relative size: Two were seen in same field with Lapland Longspur - slightly smaller but otherwise similar shape Bill: possibly smaller proportionally than Lapland's Crown and forehead: finely striped dark brown and very pale brown Nape: finely streaked (no rusty) Face: pattern like winter-Lapland but much less distinct - not as much contrast between cheek patch and eyeline, etc. Buffier than Lapland Eye: can't remember Throat: buffy white Breast and sides: very pale brown, some faint streaks Belly and flanks: whitish brown Undertail coverts: Back: pale with dark streaking proceeding down body axis - generally grayish brown Wings: [illegible] with rusty area in wing coverts like Lapland Gray-brown Underwings: not seen Rump: brown - contrasted with grayer back Uppertail coverts: brownish