ParasiticJaeger

Theparasiticjaeger(NorthAmerica)orArcticskua(Europe)(Stercorariusparasiticus),isaseabirdintheskuafamilyStercorariidae.Itisamigratory ...,ParasiticJaegersarewellnamedfortheirhabitofforcingotherseabirdstodisgorgetheirfood,whichthejaegersdeftlyswoopdowntoretrieve.,相對數量以顏色梯度顯示,淺色表示較低的相對數量,深色則表示較高的相對數量。相對數量是由eBird使用者在一天中適合時間1小時、1公里以行進計...

Parasitic jaeger

The parasitic jaeger (North America) or Arctic skua (Europe) (Stercorarius parasiticus), is a seabird in the skua family Stercorariidae. It is a migratory ...

Parasitic Jaeger

Parasitic Jaegers are well named for their habit of forcing other seabirds to disgorge their food, which the jaegers deftly swoop down to retrieve.

Parasitic Jaeger - 數量地圖

相對數量以顏色梯度顯示,淺色表示較低的相對數量,深色則表示較高的相對數量。相對數量是由eBird使用者在一天中適合時間1小時、1公里以行進計數記錄到每一物種個體 ...

Parasitic Jaeger Identification

Parasitic Jaegers, known as arctic skuas in Europe, are fast-flying relatives of gulls with a piratical lifestyle. They breed on the Arctic tundra, ...

Parasitic jaeger Stercorarius parasiticus

Parasitic jaeger Stercorarius parasiticus. Identification Tips: Length: 16 inches; Sexes similar; Medium-sized jaeger, not particularly heavyset or dainty ...

Parasitic Jaeger

This is the mid-sized member of the jaeger trio, and the most familiar, as it is the one most likely to be seen from shore. Variable in plumage, it occurs ...

Parasitic Jaeger 短尾賊鷗

2022年10月18日 — 特徵: 短尾賊鷗分淡色型、中間型和暗色型3種色型(一般淡色型比較常見)。淡色型繁殖羽(3-11月)嘴、腳、虹膜黑色,從上嘴基到頭頂黑褐色,看似戴著一頂小黑 ...

Stercorarius parasiticus (Parasitic Jaeger)

The parasitic jaeger, also known as the Arctic skua, Arctic jaeger or parasitic skua, is a seabird in the skua family Stercorariidae. The word jaeger is ...