Auks

Alcinae

Bill not longer than the head, much compressed, generally very high, in the species approaching the next family rather slender. Nostrils small, linear, basal, and sub-marginal. Head large, broadly ovate, anteriorly narrowed; neck short and thick; body full, compact, ovate, or somewhat elongated. Feet short, rather stout, placed far behind; tibia bare for a short space; tarsus very short, compressed, anteriorly scutellate; toes three, of moderate length, scutellate, webbed. Claws strong, arched, acute. Plumage dense, blended, soft. Wings small, narrow, pointed. Tail very short. Tongue slender, trigonal; oesophagus very wide, within the thorax extremely dilated; stomach rather large, muscular, with the epithelium dense and longitudinally rugous; intestine long and wide; coeca of moderate size. Trachea simple, with a single pair of inferior laryngeal muscles. Egg generally single.

Genus I : Auk

Great Auk
Plate 341
Razor Bill
Plate 214

Genus II : Guillemot

Black-throated Guillemot, Nobbed-billed Auk, Curled-crested Auk, Horned-billed Guillemot
Plate 402
Foolish Guillemot
Plate 218
Black Guillemot
Plate 219
Slender-billed Guillemot
Plate 430

Genus III : Puffin

Large billed Puffin
Plate 293
Puffin
Plate 213

About This Guide

High-resolution images courtesy of the John James Audubon Center at Mill Grove, Audubon, PA, and the Montgomery County, PA, Audubon Collection. Learn more about the John James Audubon Center