| Kingdom: | Animalia |
| Phylum: | Chordata |
| Subphylum: | Vertebrata |
| Class: | Aves |
| Superorder: | Neognathae |
| Order: | Charadriiformes |
| Suborder: | Alcae |
| Family: | Alcidae |
- Genus
- species – Common Name
- Aethia
- cristatella, pusilla, pygmaea – Auklet
- Alca
- torda – Razorbill
- Alle
- alle – Dovekie
- Brachyrampha
- brevirostris, craveri, hypoeucus. marmoratus – Murrelet
- Cepphus
- carbo, columba, grylle – Guillemot
- Cerorhinca
- monocerata – Rhinoceros Auklet
- Cyclorrhynchus
- psittacula – Parakeet Auklet
- Fratercula
- arctica – Atlantic Puffin
- corniculata – Horned Puffin
- Lunda
- cirrhata – Tufted Puffin
- Ptychoramphus
- aleuticus – Cassin’s Auklet
- Synthliboramphus
- ancient, antiquus, crested, wumizusume – Murrelet
- Uria
- aalge – Common Mure
- lomvia – Thick-billed Mure
