Ancient Murrelet

Synthliboramphus antiquus

Least Concern

Quick Facts

  • Size: 24-26 cm (9-10 inches)
  • Colors: Gray, White
  • Type: Seabirds

The Ancient Murrelet (Synthliboramphus antiquus) is a fascinating and elusive member of the auk family, Alcidae. These small, distinctively marked seabirds are primarily found in the northern reaches of the Pacific Ocean. Known for their unique life cycle, they are a highlight for many birders who travel to remote coastal regions to catch a glimpse of their rapid flight and bobbing presence on the ocean surface. Unlike many other seabirds that spend significant time on land, the Ancient Murrelet is highly pelagic, spending the majority of its life on the open sea, only returning to terrestrial environments for the critical period of nesting and chick-rearing. Their name, 'ancient,' is derived from the white, hair-like streaks on their head, which resemble the graying hair of an elderly person. Understanding this species requires a deep dive into the harsh, cold environments they call home, as well as the specialized biological adaptations that allow them to survive in some of the most unforgiving marine ecosystems on the planet.