The Ring-billed is a medium-sized gull with a fairly short, slim bill. When the gull perches, its long, slender wings extend well past its square-tipped tail. In flight, the birds move lightly on easy flaps of their fairly slender wings.
Roughly pigeon-sized body (but with long wings), smaller than Herring Gullcrow-sized
- Both Sexes
- Length: 16.9-21.3 in (43-54 cm)
- Weight: 10.6-24.7 oz (300-700 g)
- Wingspan: 41.3-46.1 in (105-117 cm)