Data Zone
| Scientific name | Common name | Family | Red List category |
|---|---|---|---|
| Synthliboramphus hypoleucus | Guadalupe Murrelet | Alcidae (Auks) | EN |
| Synthliboramphus antiquus | Ancient Murrelet | Alcidae (Auks) | LC |
| Synthliboramphus wumizusume | Japanese Murrelet | Alcidae (Auks) | VU |
| Synthliboramphus scrippsi | Scripps's Murrelet | Alcidae (Auks) | VU |
| Synthliboramphus craveri | Craveri's Murrelet | Alcidae (Auks) | VU |