Long-tailed jaeger / Falkenraubmöwe (Stercorarius longicaudus)

Wikipedia: Long-tailed jaeger Source: OTHER 1200px-Long-tailed_Skua_%28js%29_26.jpg
Classification: Genus Stercorarius; Family Stercorariidae
This bird appears across the great seas in the following continents: Europe, North America, South America, Africa, Asia.
General: The long-tailed skua or long-tailed jaeger (Stercorarius longicaudus) is a seabird in the skua family Stercorariidae. [more]
Calls: Calls sharp and less full-bodied than Arctic Skua, and not so mewing. Short, double-accented "kew-wev" or short "kerk" in agitation. Also a long drawn-out "keeeeaah", resembling both Arctic Skua and Common Gull. [Link]
Physical details: length=48-53 cm, wingspan=105-117 cm, weight=240-350 g

🔍 No documented observation