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Fratercula
genus of Alcidae within Charadriiformes

trivial name latin name name specimens
Maskonur
Fratercula arctica 		Fratercula arctica 2 2
Maskonur zlotoczuby
Fratercula cirrhata 		Fratercula cirrhata 1 1

species comparison1)

1) According to Hartmann (2000a, 2000b and 2016)

Random specimens

Maskonur
Fratercula arctica
Maskonur
Fratercula arctica
Maskonur zlotoczuby
Fratercula cirrhata