ODNR Division of Wildlife - A to Z Species Guide - Pomarine Jaeger

 Pomarine Jaeger


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This species is seen most frequently of the three jaegers, although at one time it was thought that the parasitic jaeger was most numerous. Jaeger means "hunter," an appropriate name for these aggressive birds.


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Pomarine Jaeger
Stercorarius pomarinus

At-a-Glance

• Incubation: 25-27 days

• Clutch Size: 2 eggs

• Young Fledge: 31-37 days after hatching

• Typical Foods: fish, carrion, and small birds
Description
The pomarine is bigger than the parasitic jaeger and has a more extensive white flash on the outer wing. It has a dark breast band and a heavy bill.

Habitat and Habits
Jaegers inhabit the open waters of Lake Erie. They are often seen chasing and badgering gulls, attempting to rob them of their catches. If all the gulls resting in a harbor along Lake Erie suddenly erupt into flight, it's worth watching to see if a jaeger is around, as they tend to provoke a reaction. They are mostly silent here; though they sometimes utter short, nasal gull-like barks.

Reproduction and Care of the Young
Breeding takes place in Alaska and northern Canada. Nests are depressions in the ground, lined with grass.