SABINE GULL.
62. Xema sabini. 13 inches.
A handsome bird, having the slaty hood bordered behind with a black ring; the primaries black, white tipped, and the tail slightly forked. In winter the head and throat white with the back of the neck dusky.
Nest.—They breed abundantly on the marshes of northern Alaska and Greenland. The two or three eggs are greenish brown in color and marked with dark brown (1.75 × 1.25).
