Key Identification Features
- Adults have distinct summer and winter plumage, and no sex-based plumage difference can be identified in the field.
- All three species share the distinction of being the most southerly living auk species.
- Breeding adult spectacled guillemots have a distinct appearance: their plumage is mostly dull sooty-black, with the exception of prominent white "spectacles" on the face.
- It closely resembles the related Craveri's murrelet, and both species share the distinction of being the southernmost-living of all auk species.
For instant identification in the field, use the iNature app — AI-powered, works offline.
