Stocky seabird with a portly whitish belly. Flight often looks labored.© Steve Kelling | Macaulay LibraryBritish Columbia, July 20, 2017
Adult DescriptionMedium-sized, stocky waterbird. All dark gray, except for white belly. Breeding adult has vertical white projection at base of orange bill, and two thin white plumes on face.
Immature DescriptionSimilar to non-breeding adult, with dusky bill and a reduced "horn."
Relative Sizebetween robin and crow
- Both Sexes
- Length: 11.0-11.4 in (28-29 cm)
- Weight: 12.3-21.9 oz (350-620 g)
- Wingspan: 23.2-24.4 in (59-62 cm)
Don't miss a thing! Join our email list
The Cornell Lab will send you updates about birds, birding, and opportunities to help bird conservation.