- Charadriiformes (Steltloperachtigen)
- Alcidae
- Aethia
- Aethia cristatella (Kuifalk)
- Aethia psittacula (Papegaai-alk)
- Aethia pusilla (Dwergalk)
- Aethia pygmaea (Geoorde dwergalk)
- Alca
- Alca torda (Gewone alk)
- Alle
- Alle alle (Kleine alk)
- Brachyramphus
- Brachyramphus brevirostris (Kittlitz’ alk)
- Brachyramphus marmoratus (Marmeralk)
- Brachyramphus perdix (Aziatische marmeralk)
- Cepphus
- Cepphus carbo (Brilzeekoet)
- Cepphus columba (Duifzeekoet)
- Cepphus grylle (Zwarte zeekoet)
- Cerorhinca
- Cerorhinca monocerata (Neushoornalk)
- Fratercula
- Fratercula arctica (Papegaaiduiker)
- Fratercula cirrhata (Kuifpapegaaiduiker)
- Fratercula corniculata (Gehoornde papegaaiduiker)
- Pinguinus
- Pinguinus impennis (Reuzenalk)
- Ptychoramphus
- Ptychoramphus aleuticus (Cassins alk)
- Synthliboramphus
- Synthliboramphus antiquus (Zilveralk)
- Synthliboramphus craveri (Craveri’s alk)
- Synthliboramphus hypoleucus (Xantus’ alk)
- Synthliboramphus wumizusume (Japanse alk)
- Uria
- Uria aalge (Zeekoet)
- Uria lomvia (Dikbekzeekoet)
- Aethia
- Alcidae