Sabine's gull. The large species take up to four years to attain full adult plumage, but two years is typical for small gulls. Large white-headed gulls are...

cities. Particularly large urban gull colonies (composed primarily of European herring gulls and lesser black-backed gulls) are now present in Cardiff, Bristol...

whereas the nominate kelp gull usually has a pale eye. Young Cape gulls have almost identical plumage to similarly aged kelp gulls. L. d. dominicanus, (Lichtenstein...

they have paler mantles and wingtips paler than Western gulls but darker than Glaucous-winged gulls. Additionally, the nonbreeding plumage of hybrids typically...

also similar in appearance to immature herring gulls, with browner plumage than immature ring-billed gulls. Length can range from 46 to 55 cm (18 to 22 in)...

Heermann's gull eats small fish, marine invertebrates, lizards, insects, refuse, and carrion. This species nests colonially on the ground, like many gulls. The...

Gull eggs, gathered in spring from the nests of wild gulls, are a source or form of eggs as food. Gulls' eggs tend to have speckled shells (which somewhat...

garbage than other common gulls, and spent most of their time roosting or loafing. Like most gulls, Great Black-backed Gulls regularly capture fish and...

and, in summer, a less fully developed dark hood. Like most gulls, black-headed gulls are long-lived birds, with a maximum age of at least 32.9 years...

many gulls, it has traditionally been placed in the genus Larus. The Mediterranean gull is slightly larger and bulkier than the black-headed gull with...