Birds of America
By John James Audubon, F. R. SS. L. & E.
GENUS II.--TANTALUS, Linn. TANTALUS.
Bill long, stout, at the base as wide as the face, deeper than broad,
compressed, tapering towards the end, which is decurved; upper mandible with the
ridge rather broad and flattened at the base, narrowed at the middle, convex
toward the end, the sides sloping at the base, convex toward the end, the edges
inflected and sharp, the tip declinate, rounded, with a notch on each side;
nostrils basal, close to the ridge, direct, oblong; lower mandible with the
angle rather wide, with a bare dilatable membrane, the edges erect and sharp,
the tip blunted. Head of ordinary size, and with part of the hind neck bare and
scurry. Feet very long, like those of the Heron; tibia and tarsus reticulate;
hind toe rather large, third longest; claws small, arched, that of the third toe
not serrate. Wings long, ample, with the third quill longest. Tail of twelve
broad rounded feathers.