Long-tailed Jaeger vs Arctic Jaeger

Stercorarius longicaudus compared with Stercorarius parasiticus

Side-by-Side Comparison

Attribute Long-tailed Jaeger Arctic Jaeger
Scientific Name Stercorarius longicaudus Stercorarius parasiticus
Order Charadriiformes Charadriiformes
Family Stercorariidae Stercorariidae
Conservation Status Least Concern Least Concern
Length
Wingspan 60.3 cm (23.7 in) 62.1 cm (24.4 in)
Weight 315.75 g (11.14 oz) 459.0 g (16.19 oz)
Diet -- --
Clutch Size 1-2 1-2
Population Trend

Habitat Comparison

Shared Habitats

Long-tailed Jaeger only

None

Arctic Jaeger only

Conservation Status

Least Concern

Long-tailed Jaeger

Least Concern

Arctic Jaeger

About These Birds

Long-tailed Jaeger

Long-tailed Jaeger, 48–53 cm body plus up to 25 cm tail streamers, is the most elegant jaeger, breeding on Arctic and sub-Arctic tundra worldwide. Feeds primarily on lemmings on the breeding grounds; transitions to pelagic planktivore and piscivore on the ocean. Migrates to subantarctic waters — one of the longest migrations.

Arctic Jaeger

Arctic Jaeger (Parasitic Jaeger), 41–46 cm plus tail, is the commonest jaeger, breeding across Arctic tundra and wintering in tropical and subtropical seas. Highly piratical; pursues terns and gulls relentlessly to steal fish. Polymorphic: pale and dark morphs occur. Circumglobal migration through all oceans.

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