Jaeger
Related Category: Vertebrate Zoology
(y´gr), common name for several members of the family Stercorariidae, member of a family of hawklike sea birds closely related to the gull and the tern. The skua is also a member of this family.
Pomarine Jaeger
Parasitic Jaeger
Long-tailed Jaeger
South Polar Skua
Great Skua ...
Jaegers
Last updated 3/20/96 Jaegers are rare pelagic visitors to the UTC. Dark falcon or hawklike birds they show a flash of light on the primary flight feathers and in adult birds protruding central tail feathers.
Pomarine Jaeger - Stercorarius pomarinus
Parasitic Jaeger - Stercorarius parasiticus
Franklin's Gull - Larus pipixcan
Little Gull - Larus minutus
Bonaparte's Gull - Larus philadelphia
Mew Gull - Larus canus
Ring-billed Gull - Larus delawarensis ...
Parasitic Jaeger Stercorarius parasiticus - Juvenile
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Pomarine jaeger Stercorarius pomarinus
Identification Tips:
Length: 17 inches Wingspan: 48 inches
Sexes similar
Large jaeger, heavyset, thick-necked with broad-based wings
Thick, heavy bill with prominent gonydeal angle ...
Skuas and jaegers
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Skuas and jaegers
Skuas look rather like gulls, but are in a family of their own. Like gulls, they often attack other seabirds, steal fish from them, they also eat carrion.
Parasitic Jaeger
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Remarks Jaegers are freebooters of the open sea, preying on other forms of marine birdlife; they are known to fishermen as "sea hawks.
The Parasitic Jaeger is the Jaeger most often seen from shore, as they tend to congregate over the continental shelf within a few miles from land.
Long-tailed Jaeger Stercorarius longicaudus
Described by: Vieillot (1819)
Alternate common name(s): Long-tailed Skua
Old scientific name(s): None known by website authors ...
Jaegers, Skuas, Gulls, and Terns - Family Laridae
Pomarine Jaeger Stercorarius pomarinus. Rare to uncommon in all seasons offshore. Onshore and inland, occasional in winter, spring, and fall. Pelagic.
4. Jaeger, E.C. 1941. Desert Wildflowers. Stanford University Press, Stanford.
5. Kuijt, Job. 1969. The Biology of Parasitic Flowering Plants. University of California Press, Berkeley.
Jaeger, Robert G., Joseph, Raymond G., Barnard, Debra E. 1981. Foraging tactics of a terrestrial salamander: sustained yields in territories. Animal Behavior 29(4): 1100-1105 ...
Jaeger, Edmund C. A Source-Book of Biological Names and Terms. 1955 3rd ed. Springfield, Illinois: Charles C. Thomas, Publisher.
Jaeger, E. C.
1955. A source-book of biological names and terms. Third edition. C. C. Thomas, Springfield, IL, USA.
Jobling, J. A.
Jaeger, E. C. 1950. Our Desert Neighbors. Stanford University Press.pg. 220, ...
Pomarine jaeger (Stercorarius pomarinus)
Clear-winged woolly bat (Kerivoula pellucida)
Lesser frigatebird (Fregata ariel)
Black throated babbler (Stachyris nigricollis)
Asian dowitcher (Limnodromus semipalmatus) ...
Parasitic jaegers are great travelers and annually migrate to winter in the Southern Hemisphere. Both light- and dark-colored morphs of this bird occur, though scientists are not yet sure what natural advantages each color affords.
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Stercorariidae - Jaegers, Skuas
Stercorarius
Stercorarius pomarinus - Pomarine Jaeger
Stercorarius parasiticus - Arctic Skua
Stercorarius longicaudus - Long-tailed Jaeger
Stercorarius skua - Great Skua (photo) ...
PREDATORS : Canada goose predators include humans; ravens,crows, and magpies (Corvidae); gulls (Larus spp.); parasitic jaeger (Stercorarius parasitucus); foxes (Vulpes, Urocyon, Aplex); brown bear (Ursus arctos); coyote (Canis latrans); ...
The analysis indicates that skuas and jaegers form a natural clade, with two subclades - one of the great skuas plus the Pomarine Skua, the other of the two smaller jaegers. But what should these two subclades be called? Two options are suggested.
Jaeger, " Das Wirbelkorpergelenk der Vogel," Sitzb. K. Ak. Wiss., Wien, xxxiii., 1858; A. Johnson, " On the Development of the Pelvic Girdle and Skeleton of the Hind-limb in the Chick," Q.J.M.S., xxiii., 1883, pp. 399-4 11; K. F.
A record of the Long-tailed Jaeger Stercorarius longicaudus in the Australian Capital Territory
A Red and Black Anemonefish at 'Davies Reef'
A Red and Black Anemonefish at 'First Sista Reef'
A Red Bass at 'Marine World' ...
Well, I couldn't capture the Black Scoter that flew by, much less the Jaeger that I missed, but this big fat bird sat on a rock outcropping, seemingly too large to fly anywhere.
The skuas range in size from the Long-tailed Jaeger (Stercorarius longicauda), at 310 grams (11 oz), to the Brown Skua (Stercorarius antarcticus), at 1.63 kg (3.6 lb). On average, a skua is about 56 cm (22 in) and 121 (48 in) across the wings.
Arctic Skua / Parasitic Jaeger (Stercorarius parasiticus) July 2004
Great Skua (Stercorarius skua) June 2006
Black-headed Gull (Larus ridibundus) September 2005
Common Gull (Larus canus) September 2005 ...
Skua, Parasitic aka Arctic Skua aka Parasitic Jaeger Stercorarius parasiticus Found: North America, Europe, Asia, Africa, Australia
Photographed by: 1) Arnstein Ronning in Tromso Norway 2) Art Sowls of the US Fish and Wildlife ...
Family Stercorariidae (skuas and jaegers)
Family Thinocoridae (seedsnipe)
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Gull Seafaring bird that is of the same family as the tern and related to the jaeger . They are found across all the oceans of the world and many inland waters. Gulls are larger and bulkier than terns, they have squared tails rather than forked .
RICHARDSON'S JAGER.
[Parasitic Jaeger.]
LESTRIS RICHARDSONII, Swains.
[Stercorarius parasiticus.] ...
The female incubates two to six whitish eggs, as the male guards against foxes, gulls, and jaegers. Frequently, Snow Geese attempt to lay eggs in a neighboring goose's nest; these goslings account for up to 9% of all hatchlings.
Interrelationships of Late Neogene elephantids: new evidence from the Middle Awash Valley, Afar, Ethiopia. GEOBIOS 28(6):727-736.
Mahboubi, M., R. Ameur, J.Y. Crochet, and J.J. Jaeger. 1984.
Stilts and Avocets (Family Recurvirostridae)
Sandpipers, Phalaropes and Allies (Family Scolopacidae)
Gulls and Terns (Family Laridae)
Skuas and Jaegers (Family Stercorariidae)
Auks, Murres and Puffins (Family Alcidae) ...
This life cycle controls the rhythm of most animal life on the tundra. Their many predators include ermines, , , , gyrfalcons, and jaegers. These small mammals live less than 2 years in the wild. There are about a dozen lemming species worldwide.
Nesting sites are often situated near snowy owl nests. This practice is observed to lessen predation by arctic fox and jaegers (a gull like bird). Whether the owls take chicks in return for their vigilance is probable but unclear.
 See also: Petrel, Shearwater, Parasitic jaeger, Gull, Seabird
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