Classification
Biota [regio]Animalia [regnum]
Chordata [phylum]
Aves [classis]
Charadriiformes [ordo]
Alcidae [familia]
Alca [genus]
Genus Alca contains the following taxa:
Alca torda Brehm, 1831 [species]
Genus Alca contains the following taxa:
Alca torda Brehm, 1831 [species]
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