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Rissa
genus of Laridae within Charadriiformes

trivial name latin name name specimens
Black-legged Kittiwake
Rissa tridactyla
Rissa tridactyla 009 009

Species comparison1)

Genus Rissa: maximal number primaries: 10, maximal number secondaries: 22, maximal number retrices: 12
1) According to Hartmann (2000a, 2000b and 2016)

Random specimens