Synthliboramphus
- Ancient Murrelet Synthliboramphus antiquus
The Ancient Murrelet is a North Pacific seabird. Its breeding range extends from the Sea of Japan to the Queen Charlotte Islands of British Columbia, where it nests in burrows on islands.
- Craveri's Murrelet Synthliboramphus craveri
Craveri's Murrelet is a small seabird that nests on islands off western Mexico; some wander north to California's offshore waters in late summer.
- Guadalupe Murrelet Synthliboramphus hypoleucus
This small seabird is dark above and white below. It nests on islands off western Baja California and differs from Scripps's Murrelet by having more white around the eye.
- Japanese Murrelet Synthliboramphus wumizusume
The Japanese Murrelet breeds on islands of Japan. Adults have a prominent crest during the breeding season.
- Scripps's Murrelet Synthliboramphus scrippsi
This small seabird breeds on islands off California and Mexico. Outside the breeding period it stays at sea, diving for small fish and crustaceans.
- Guadalupe Murrelet Synthliboramphus hypoleucus
This small seabird is dark above and white below. It nests on islands off western Baja California and differs from Scripps's Murrelet by having more white around the eye.
- Ancient Murrelet Synthliboramphus antiquus
The Ancient Murrelet is a North Pacific seabird. Its breeding range extends from the Sea of Japan to the Queen Charlotte Islands of British Columbia, where it nests in burrows on islands.
- Craveri's Murrelet Synthliboramphus craveri
Craveri's Murrelet is a small seabird that nests on islands off western Mexico; some wander north to California's offshore waters in late summer.
- Japanese Murrelet Synthliboramphus wumizusume
The Japanese Murrelet breeds on islands of Japan. Adults have a prominent crest during the breeding season.