Hybridisationingulls occurs quite frequently, although to varying degrees depending on the species involved. Herring gulls and lesser black-backed gulls...
Vega gulls displays darker brown flecks and streaks. Adult Vega gullsin winter can often be mistaken for the very similar-looking slaty-backed gull (L...
mostly lost in winter. Laughing gulls take three years to reach adult plumage. Immature birds are always darker than most similar-sized gulls other than...
including 34 images of Caspian Gulls of various ages) Jonsson, Lars (1998). "Yellow-legged gulls and yellow legged herring gullsin the Baltic". Alula. 4 (3/1998):...
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...
Iceland gull, and can sometimes equal the size of the great black-backed gull, the oft-titled largest gull species. In some areas, glaucous gulls are about...
robust gull with no overlap in range. It has traditionally been placed in the genus Larus, as is the case with many gulls, but is now placed in the genus...
species, which may be known collectively as "mew gull". Many common gulls migrate further south in winter. There are differing accounts as to how the...
space in towns and cities. Particularly large urban gull colonies (composed primarily of European herring gulls and lesser black-backed gulls) are now...
Francisco, California; an estimated 30,000 gulls live in the San Francisco Bay area. Western gulls also live in the Oregon Coast. Two subspecies are recognized...
small gulls. Large white-headed gulls are typically long-lived birds, with a maximum age of 49 years recorded for the herring gull. Gulls nest in large...
elsewhere in southern Europe, and this species has undergone a dramatic range expansion in recent decades. As is the case with many gulls, it has traditionally...
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), the...
Pacific gulls are the only large gullsin their range, besides the occasional kelp gull. This species can range in length from 58 to 66 cm (23 to 26 in) and...
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...
three light brown eggs are laid. They breed in Canada and Greenland, but not in Iceland. Like most Larus gulls, these are omnivores, eating fish, molluscs...
Global Information