n. - Any species of gull of the genus Stercorarius. Three species
occur on the Atlantic coast. The jagers pursue other species of gulls
and force them to disgorge their prey. The two middle tail feathers are
usually decidedly longer than the rest. Called also boatswain, and
marline-spike bird. The name is also applied to the skua, or Arctic
gull (Megalestris skua).