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The Glaucous Gull resembles the herring gull but misses the black tips at the end of the wings and is a smaller relative to the Iceland gull. They are seen all year round but are most numerous in the wintertime when they fly down from Greenland. They hybridise with the herring gull and provide viable offspring.
| Average Length: | 65 cm |
| Average Weight: | 1.8 kg Males and 1.4 kg Females |
| Wingspan: | 185 cm |
| Diet: | Fish, seabird chicks, eggs, scavenger, offal |
| Est. population around Iceland: | ~ 10 ,000 – 15, 000 pairs |
| Residence Period: | All year round |
| Nesting habitat: | Lakes, coastal, buildings close to sea |
| Nesting Period: | Late April to Late June |
| Clutch size (No eggs): | 3 |
| Incubation time (days): | 27-28 |
| Fledging time: | 45-50 |
| Typical life span (years): | No Data |
| Age at first breeding (years): | 4 |
| IUCN world Status: | Least concern |
| Major Threats: | Predation, food contamination from pollution |
| Other Names: | Hvítmáfur, Gråmåge, Isolokki, Eismöwe, Gabbiano glauco, Mewa blade, Gaviota hiperbórea, Grote burgemeester, Goéland bourgmestre, Jeges sirály, Polarmåke, Gaivota-hiperbórea, Vittrut |