. The birds of eastern North America known to occur east of the nineteenth meridian .. . Summer plumage: Head and neck, back, wings, and tail, black; tips ofsecondaries and rest of uuderparts, white. Winter plumage: Similar, buthas the throat wliite. Alea tarda. Razor=billed Auk. See No. 1.). * Group 4. Wing, to inches long. Summer phunagi: Head aud neck, back, wings, and tail, black. Tips of secondaries andrest of uuderparts, white. Alca tarda. Razor=billed Auk. See No. I). Summer plumage: Head, back, wings, and tail, dark sooty brown; uuderparts and tips ofsecondaries, white. Winte
. The birds of eastern North America known to occur east of the nineteenth meridian .. . Summer plumage: Head and neck, back, wings, and tail, black; tips ofsecondaries and rest of uuderparts, white. Winter plumage: Similar, buthas the throat wliite. Alea tarda. Razor=billed Auk. See No. 1.). * Group 4. Wing, to inches long. Summer phunagi: Head aud neck, back, wings, and tail, black. Tips of secondaries andrest of uuderparts, white. Alca tarda. Razor=billed Auk. See No. I). Summer plumage: Head, back, wings, and tail, dark sooty brown; uuderparts and tips ofsecondaries, white. Winter plumage: Uuderparts, white, more or less marked with sootybrown or blackish about the throat, belly, and flanks; bill, usually over Uria troile. No. IH. Similar to Uria troile, t)ut has the head darker than the throat; l)ill, u-;uMlly luider ). Cria lamvia. Brunnichs Murre,S«>e No. 14. * For directions for measurement, see page 9- 32 KEY TO THE BIRDS OF EASTERN NORTH AMERICA. Group 5. Wing, over inches Auk. Head aud ueck, black, easily distinguishedby the shape of the bill; a white line on tarda. Razor-billed Auk. See Xo. 15.
Size: 2113px × 1183px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectbirds, bookyear1900
