Birds diurnal

Glaucous-winged Gull

Larus glaucescens

The signature seabird of the Pacific Northwest, the Glaucous-winged Gull is a master of the air and shore, easily identified by its soft grey wingtips and bold personality.

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Quick Identification

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Size

Length: 20-27 in (50-68 cm); Wingspan: 47-59 in (120-150 cm); Weight: 1.6-3.7 lbs (730-1,690 g)

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Colors

Adults have white heads and underparts with pearl-grey mantles and wings. Unlike many other gulls, their wingtips are the same grey as their back, not black. They have yellow bills with a red spot and pink legs.

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Key Features

Grey wingtips that match the color of the back
Large, bulbous yellow bill with a red spot on the lower mandible
Dull pinkish legs and feet
Robust, heavy-set body with a thick neck

When You’ll See Them

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Activity pattern diurnal

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Peak hours 6 AM - 8 PM (Daylight hours)

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Season Year-round; most active at nesting sites from May to August

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Diet Omnivorous and opportunistic; feeds on fish, marine invertebrates, bird eggs, carrion, and human refuse.

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Habitat Coastal waters, rocky shores, estuaries, bays, and urban areas like parking lots and rooftops near the ocean.

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Behavior

Glaucous-winged Gulls are highly intelligent and social birds, often seen in large, noisy colonies along the coast. They are quintessential opportunists, spending their time patrolling shorelines, following fishing vessels, or scavenging in urban centers. They are known for their 'dropping' behavior, where they carry hard-shelled mollusks high into the air and drop them onto rocks or pavement to crack them open.

While they are coastal by nature, they have adapted remarkably well to human environments. They frequently nest on flat, gravel-covered rooftops in seaside cities and can become quite bold around humans if they associate them with food. Their social interactions involve a wide array of vocalizations, from the classic 'long call' to low croaks used during nesting.

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Camera Tips

To capture high-quality footage of a Glaucous-winged Gull, you need to think about elevation. These birds are 'sentinel' perchers, meaning they love to sit on the highest point available—chimneys, roof peaks, or the tops of pier pilings—to scan for food and threats. Mounting your camera on a high balcony railing or using a pole mount to get the lens above the ground level will significantly increase your chances of a close-up encounter.

Because of their large size, framing is a common challenge. If the camera is too close, you’ll only capture a chest or a tail. Position your camera at least 6 to 10 feet away from a known perching spot. If you are using an AI-powered camera with a wide-angle lens, this is the perfect opportunity to capture their impressive five-foot wingspan as they land. For settings, use a high trigger speed. Gulls are fast and often 'hover' before landing; a slow camera will miss the action or result in motion blur.

One of our favorite tricks for gulls is the 'freshwater lure.' While they live by the salt water, they love to bathe and drink fresh water to clean their feathers. A wide, shallow basin placed on a flat roof or an open deck can attract them for spectacular preening and splashing videos. Be mindful of the sun—their white heads can easily 'blow out' in direct midday light, making them look like glowing white blobs. Position your camera facing north or south to avoid direct lens flare, and if possible, capture your footage during the 'golden hours' of early morning or late afternoon for the best feather detail.

Similar Species

Species that look similar or are commonly confused with Glaucous-winged Gull.

Western Gull

The Western Gull has much darker grey upperparts and distinct black wingtips.

Herring Gull

Herring Gulls have black wingtips with white spots and a lighter grey mantle.

Olympic Gull

This is a hybrid between Glaucous-winged and Western gulls; its wingtips are a medium-dark grey, falling right between the two parent species.

Frequently Asked Questions

They are strictly diurnal, meaning they are active during daylight hours. You will see the most activity from sunrise through the early evening as they forage and move between roosting and feeding sites.

The best way to attract them without creating a nuisance is by providing a large, clean freshwater source like a sturdy birdbath. Avoid leaving out human food, as this can lead to aggressive behavior and health issues for the birds.

Their diet is incredibly varied. In the wild, they eat small fish, crabs, and mussels. In suburban areas, they are famous for scavenging scraps, but they also hunt for earthworms in grassy parks after rain.

Yes, if you live within a few miles of the coast. They have adapted to use flat rooftops for nesting and large parking lots as safe places to rest and socialize.

Look at the wingtips. A Western Gull has jet-black wingtips that contrast sharply with its back. A Glaucous-winged Gull has grey wingtips that match the rest of its wing color perfectly.

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