Long-tailed Jaeger vs Parasitic Jaeger

Stercorarius longicaudus compared with Stercorarius parasiticus

Key Differences

• Long-tailed Jaeger is Least Concern while Parasitic Jaeger is Near Threatened.

Taxonomic Classification

Rank	Long-tailed Jaeger	Parasitic Jaeger
Kingdom same	Animalia (hayvan)	Animalia (hayvan)
Phylum same	Chordata (Kordalılar)	Chordata (Kordalılar)
Class same	Aves (kuş)	Aves (kuş)
Order same	Charadriiformes (Yağmur kuşları)	Charadriiformes (Yağmur kuşları)
Family same	Stercorariidae	Stercorariidae
Genus same	Stercorarius	Stercorarius
Species	Stercorarius longicaudus	Stercorarius parasiticus

Evolutionary Relationship

Long-tailed Jaeger and Parasitic Jaeger share a common ancestor at the Genus level: Stercorarius.

Conservation Status

Long-tailed Jaeger

LC — Least Concern

Parasitic Jaeger

NT — Near Threatened

Physical Characteristics

Attribute	Long-tailed Jaeger	Parasitic Jaeger
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Long-tailed Jaeger

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

Parasitic Jaeger

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Long-tailed Jaeger

Long-tailed Jaeger (Stercorarius longicaudus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Parasitic Jaeger

Parasitic Jaeger (Stercorarius parasiticus) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.

Shared Countries

Both species can be found in 8 countries:

🇧🇪 Belgium 🇨🇴 Colombia 🇩🇰 Denmark 🇪🇨 Ecuador 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States 🇻🇪 Venezuela