Phalacrocorax Brisson, Ornith., i, p. 60, vi. p. 511 (1760).
Type by mon., Pelecanus carlo Linn.
In this genus the bill is of moderate length, rather slender and compressed: the culmen is rounded and sharply boohed at the end, with a long narrow groove on each side, bifurcating at the dertrum or nail, the lower branch running down to the commissure; there is a gular pouch which is naked anteriorly; the wings are of moderate length, the second primary usually the longest; the tail is rounded or cuneate and consists of 12 or 14 very stiff feathers; the tarsus is short and compressed, the toes flattened and the claws much curved.
The genus is cosmopolitan and contains numerous species, of which three are found within our limits.
Key to Species.
A. Larger, wing over 310 mm.; tail of 14 feathers. ……………..P. carbo, p. 277.
B. Smaller, wing under 300 mm.; tail of 12 feathers.
a. Larger, wing over 250 mm. ……………..P.fuscicollis, p. 279.
b. Smaller, wing under 220 mm……………..P. niger, p. 280.