Aethia (6)
Alca (razorbill) (7)
Alle (little auk) (1)
Brachyramphus (marbled murrelets) (5)   (1)
Cepphus (guillemots) (4)
Cerorhinca (rhinoceros auklets) (4)
Fratercula (puffins) (4)
Mancalla (5)
Miocepphus (4)
Miomancalla (2)
Petralca (1)
Pinguinus (Great auk) (2)
Pseudocepphus (1)
Ptychoramphus (Cassin's auklets) (1)
Synthliboramphus (ancient murrelets) (5)   (1)
Uria (murres or guillemots) (6)

(...) = Species count
(...) = Endangered count
(...) = Invasive count