Pomarine jaeger

In the winter, they lose those iconic “spoon” tail feathers, making them much harder to identify

Aaron Maizlish


Pomarine jaeger

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In the winter, they lose those iconic “spoon” tail feathers, making them much harder to identify

Population 400,000

While it belongs to the same family as gulls, it carries itself with the power and aggression of a hawk. Physically, it is a robust, thick-necked bird that comes in two distinct “color phases”—one light, with a dark cap and a creamy chest, and one dark, a moody, uniform chocolate-brown. What truly makes it legendary among birdwatchers, however, is its tail. During the breeding season, it grows two central tail feathers that are long, broad, and uniquely twisted at a 90-degree angle, ending in blunt, spoon-shaped tips. No other bird in the sky has a “rudder” quite like it, giving it a silhouette that is unmistakable even from a mile away.

What separates the pomarine jaeger from other seabirds is its high-stakes lifestyle of “kleptoparasitism”—a fancy way of saying it’s a professional thief. Instead of fishing for itself, it spends much of its time chasing down other birds like terns or kittiwakes. It is an aerial acrobat, performing high-speed dives and sharp turns to harass its target until the smaller bird, in a panic, drops its dinner. The jaeger then catches the stolen fish mid-air before it even hits the water. It’s a ruthless, high-energy strategy that requires incredible flight skills and a fair amount of “bully” confidence, making it one of the most formidable predators of the northern seas.

When they aren’t playing the role of a pirate, they are the specialized “lemming hunters” of the Arctic. During the summer, they head north to the tundra to breed. While other jaegers might eat a variety of things, the pomarine’s survival is almost entirely tied to the population of lemmings. If it’s a “good lemming year,” these birds thrive and raise large families; if lemmings are scarce, they may skip breeding entirely and head back to the ocean.

Distribution

Country
Population est.
Status
Year
Comments
Algeria
2018
Angola
2018
Anguilla
2018
Seasonality Uncertain
Antarctica
2018
Vagrant
Antigua & Barbuda
2018
Argentina
2018
Seasonality Uncertain
Aruba
2018
Australia
2018
Austria
2018
Passage
Azerbaijan
2018
Bahamas
2018
Bahrain
2018
Barbados
2018
Belarus
2018
Seasonality Uncertain
Belgium
2018
Belize
2018
Non-Breeding
Benin
2018
Seasonality Uncertain
Bermuda
2018
Bonaire Sint Eustatius And Saba
2018
Sint Eustatius, Saba, Bonaire
Bosnia And Herz.
2018
Vagrant
Brazil
2018
British Indian T.
2018
British Virgin Is.
2018
Non-Breeding
Brunei
2018
Bulgaria
2018
Non-Breeding
Cambodia
2018
Seasonality Uncertain
Canada
2018
Cape Verde
2018
Cayman Islands
2018
Seasonality Uncertain
Chile
2018
China
2018
Christmas Island
2018
Seasonality Uncertain
Colombia
2018
Comoros
2018
Seasonality Uncertain
Congo-Brazzaville
2018
Vagrant
Costa Rica
2018
Non-Breeding
Croatia
2018
Vagrant
Cuba
2018
Curaçao
2018
Czechia
2018
Côte D’ivoire
2018
Denmark
2018
Passage
Djibouti
2018
Dominica
2018
Dominican Republic
2018
Seasonality Uncertain
East Timor
2018
Seasonality Uncertain
Ecuador
2018
Egypt
2018
El Salvador
2018
Seasonality Uncertain
Equatorial Guinea
2018
Seasonality Uncertain
Eritrea
2018
Faroe Islands
2018
Fiji
2018
Non-Breeding
Finland
2018
France
2018
French Guiana
2018
French Southern T.
2018
Seasonality Uncertain
Gambia
2018
Germany
2018
Passage
Ghana
2018
Gibraltar
2018
Greece
2018
Vagrant
Greenland
2018
Non-Breeding
Grenada
2018
Seasonality Uncertain
Guadeloupe
2018
Non-Breeding
Guatemala
2018
Guinea-Bissau
2018
Vagrant
Guinea
2018
Seasonality Uncertain
Guyana
2018
Haiti
2018
Vagrant
Honduras
2018
Seasonality Uncertain
Hong Kong
2018
Vagrant
Hungary
2018
Iceland
2018
India
2018
Indonesia
2018
Iran
2018
Ireland
2018
Israel
2018
Italy
2018
Non-Breeding
Jamaica
2018
Seasonality Uncertain
Japan
2018
Jordan
2018
Vagrant
Kazakhstan
2018
Vagrant
Kenya
2018
Kiribati
2018
Korea
2018
Vagrant
Kuwait
2018
Latvia
2018
Vagrant
Lebanon
2018
Liberia
2018
Luxembourg
2018
Vagrant
Madagascar
2018
Seasonality Uncertain
Malaysia
2018
Maldives
2018
Malta
2018
Marshall Islands
2018
Non-Breeding
Martinique
2018
Mauritania
2018
Mexico
2018
Micronesia
2018
Origin Uncertain
Montenegro
2018
Seasonality Uncertain
Montserrat
2018
Morocco
2018
Mozambique
2018
Seasonality Uncertain
Myanmar
2018
Namibia
2018
Netherlands
2018
Non-Breeding
New Caledonia
2018
New Zealand
2018
Vagrant
Nicaragua
2018
Nigeria
2018
Norfolk Island
2018
Seasonality Uncertain
Nort. Mariana Is.
2018
Non-Breeding
Norway
2018
Breeding
Oman
2018
Pakistan
2018
Palau
2018
Seasonality Uncertain
Panama
2018
Papua New Guinea
2018
Seasonality Uncertain
Peru
2018
Philippines
2018
Poland
2018
Portugal
2018
Puerto Rico
2018
Qatar
2018
Non-Breeding
Romania
2018
Non-Breeding
Russia
2018
Breeding
Saint Helena
2018
Vagrant
Saint Lucia
2018
Saint Martin
2018
French Part
Saint Pierre
2018
Saint Vincent
2018
Saudi Arabia
2018
Senegal
2018
Serbia
2018
Seasonality Uncertain
Seychelles
2018
Seasonality Uncertain
Sierra Leone
2018
Sint Maarten
2018
Dutch Part
Slovakia
2018
Slovenia
2018
Vagrant
Solomon Islands
2018
Somalia
2018
Vagrant
South Africa
2018
Spain
2018
Sri Lanka
2018
St. Kitts & Nevis
2018
Sudan
2018
Seasonality Uncertain
Suriname
2018
Sweden
2018
Switzerland
2018
São Tomé & Príncipe
2018
Seasonality Uncertain
Taiwan
2018
Seasonality Uncertain
Tanzania
2018
Vagrant
Thailand
2018
Togo
2018
Vagrant
Trinidad & Tobago
2018
Tunisia
2018
Turkmenistan
2018
Passage
Turks & Caicos
2018
Tuvalu
2018
Seasonality Uncertain
Turkey
2018
Vagrant
UAE
2018
US Virgin Islands
2018
Non-Breeding
United Kingdom
2018
Passage
United States
2018
Breeding
Uruguay
2018
Non-Breeding
Vanuatu
2018
Venezuela
2018
Vietnam
2018
Seasonality Uncertain
Wallis & Futuna
2018
Seasonality Uncertain
Yemen
2018

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Terrestrial / Aquatic

Altricial / Precocial

Polygamous / Monogamous

Dimorphic (size) / Monomorphic

Active: Diurnal / Nocturnal

Social behavior: Solitary / Pack / Flock

Diet: Carnivore / Herbivore / Omnivore / Piscivorous / Insectivore

Migratory: Yes / No

Domesticated: Yes / No

Dangerous: Yes / No