Tetrapoda | Aves | Neornithes | Neognathae | Neoaves | Aequorlitornithes | Ardeae | Aequornithes | Gaviiformes | Gaviidae | Gavia | Gavia immer
WD:Q3504061 | WD:Q37517 | WD:Q5867051 | WD:Q5867051 | WD:Q5868144 |  |  | WD:Q5868144 | WD:Q36602 | WD:Q35409 | WD:Q34740 | WD:Q7432
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