Thick-billed Guillemot Bill

“Lomvia arra. Thick-billed Guillemot. Arrie. Bill short, stout, wide, deep; culmen curved throughout; commissure decurved at end; gonys if anything concave in outline, the angle very protuberant; cutting edges of the upper mandible dilated and denuded toward the base, this bare turgid space flesh-colored in life, drying pale yellowish.” Elliot Coues, 1884

Keywords

birds, ornithology, bird anatomy, seabirds, bird beak, bird bill, bird nostrils, North Pacific birds, stout bill, Californian Guillemot, Utamania

Galleries

Bird Anatomy

Source

Elliot Coues Key to North American Birds (Boston, MA: Estes and Lauriat, 1884)

Downloads

TIFF (full resolution)

2400×1314, 132.8 KiB

Large GIF

1024×560, 18.6 KiB

Medium GIF

640×350, 10.5 KiB

Small GIF

320×175, 4.7 KiB