Great skua / Skua (Stercorarius skua)

Classification: Genus Stercorarius; Family Stercorariidae
This bird appears across the great seas in the following continents: Europe, North America, Africa.
Deutschland: seltener Zugvogel, seltener Wintergast
Vocalization: Heard mostly at breeding ground. Short, and dry "kek", when agitated. Also a nasal, slightly mewing "kew". [Link]
Physical details: length=53-58 cm, wingspan=132-140 cm, weight=1210-1630 g

🔍 No documented observation