Jaegers are hook-billed, long-winged, swift and predatory. They mercilessly harass other birds, forcing them to disgorge food which the jaeger then snaps up with a graceful swoop. They are polymorphic and adults have elongated central tail feathers.
Breeding range is northern circumpolar. All 3 species, pomarine (S. pomarinus), parasitic (S. parasiticus) and long-tailed (S. longicaudus), nest widely on the arctic tundra where they feed on small mammals, birds, fishes and invertebrates. Because they winter on the open oceans, they are scarce in the southern interior of Canada at any time.
Author W. EARL GODFREY
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All About Birds
Search this online bird identification guide for information on specific bird species found in North America. Click on the dynamic map of eBird sightings for a magnified view. From the Cornell Lab of Ornithology in the US.