The islet is home to a significant colony of ring-billed gulls.

The enemy is thousands of Canada geese and ring-billed gulls that, in the last few years, have made the reservoir their winter home.

Ring-billed gulls are also considered a nuisance.

Over 12,000 Ring-billed gulls and California gulls have been counted at the lake as well.

Ring-billed gulls, called seagulls by local residents, make a pretty picture, swimming offshore or waddling on the grass across the road.

Ring-billed Gulls (Larus delawarensis) also are common throughout the refuge, particularly during non-breeding season.

There are herring gulls, ring-billed gulls, lesser black-backed gulls and so on.

Through a tall stand of switch-grass, the 42-year-old scientist eyed a flock of ring-billed gulls nesting at the end of the runway.

Female-female pairs have also been widely reported in wild populations of Ring-billed Gulls (Larus delawarensis).

Spring and summer residents of the point include herring and ring-billed gulls, least terns and snowy and great egrets.

The Ring-billed Gull (Larus delawarensis) is a medium-sized gull.

The men spotted a great blue heron, a pied-bill grebe, an osprey, a ring-billed gull, several laughing gulls and a bunch of cormorants.

These include Ring-billed Gull, Surf Scoter and Pectoral Sandpiper.

A moderately-sized gull roost has attracted Glaucous, Iceland and Ring-billed Gulls on multiple occasions.

Gulls and terns include royal terns, laughing gulls and ring-billed gulls, with brown pelicans just offshore.

Mallards, Canada Geese and Ring-billed gulls are year-round residents, using both the water and the nearby lawns and ballfields.

Birds affected included grebes, common and red-breasted mergansers, loons, diving ducks, ring-billed gulls and herring gulls.

Three species of the pesky scavengers gather year-round at New York's largest airport: the greater black-backed gull, the ring-billed gull, and the herring gull.

In winter, the head is streaked grey, and the bill often has a poorly defined blackish band near the tip (sometimes sufficiently obvious to cause confusion with Ring-billed Gull).

"The Lakeshore provides important nesting habitat for the following colonial nesting birds: herring and ring-billed gulls, double-crested cormorants, great blue herons, and cliff swallows.

Immature birds are also similar in appearance to immature Herring Gulls, with browner plumage than immature Ring-billed Gulls.

To the Editor: Shooing Canadian geese and ring-billed gulls from the Kensico Reservoir is not a satisfactory alternative to filtering New York City's water supply.

Adult European Herring Gulls are similar to Ring-billed Gulls but are much larger, have pinkish legs, and a much thicker yellow bill with more pronounced gonys.

Among the birds that may be observed on the headland are the ring-billed gull, the black-crowned night-heron, the double-crested cormorant, the common tern, the Caspian tern, and the herring gull.

Ring-billed Gulls (Larus delawarensis) also are common throughout the refuge, particularly during non-breeding season.

Female-female pairs have also been widely reported in wild populations of Ring-billed Gulls (Larus delawarensis).

The Ring-billed Gull (Larus delawarensis) is a medium-sized gull.

Predators of Ensis directus other than humans include birds, such as the ring-billed gull (Larus delawarensis) in North America and the Eurasian oystercatcher (Haematopus ostralegus) in Europe, and the nemertean worm Cerebratulus lacteus[1].