Birds of America
By John James Audubon, F. R. SS. L. & E.
GENUS III.--TURDUS, Linn. THRUSH.
Bill of moderate length or shortish, rather stout, straight, broader than
high at the base, compressed toward the end, acute; upper mandible with the
ridge rather narrow, the sides convex toward the end, the notches small, the tip
narrow; lower mandible with the angle of moderate length, the dorsal line
ascending, slightly convex, the sides rounded, the tip narrow. Nostrils oblong,
partially concealed by the feathers. Head of ordinary size, ovate; neck rather
short; body rather full. Feet longish, rather strong; tarsus as long as the
middle toe and claw; hind toe rather stout; lateral toes equal; claws arched,
compressed, acute. Plumage soft and rather blended. Wings of moderate length,
rounded, the first quill very small, the third and fourth longest. Tail rather
long, nearly even.