Great Black-backed Gull . The plumage of juvenile and immature great black-backed gulls initially has a complex pattern of black/brown/white showing more contrast than on other yo ...

A glaucous-winged gull was spotted in Lake County this week. ... gray wings, black tail with white wing spots and yellow legs. But not all ring-billed gulls look alike. A 2-year-old ring-billed, ...

The glaucous-winged gull has dark eyes — though a few of these scavengers have light eyes, too. ... Easily distinguishable by a black head, they are the only gull that commonly nest in trees.

First, they are by far our most numerous gull. Call any local pale-winged gull with substantial black at the wing-tips a ring-bill, and you’re making a good guess. Second, ...

Breeding adult: pale gray upperparts; black wing tip with white mirrors on outer 1–2 primaries. Staring pale-yellow eyes set off by red orbital ring; yellow legs and bill; bill with a clean-cut ...

The most widespread pink-legged gull in North America, the herring is common in the east and mainly a winter visitor in the west. Hybrids can be locally common (mainly in the wescat). Polytypic ...

Description: A small gull, some 38 to 44 cm long, with a 94 to 105 cm wingspan. The wing has a white leading edge that can be seen in flight (see photo), and the primary wing feathers are tipped ...