Birds Active during the day

Caspian Gull

Larus cachinnans

iNaturalist eBird Wikipedia

With its elegant, elongated profile and 'laughing' call, the Caspian Gull is a master of the Eurasian waterways. Once a hidden gem of the eastern steppes, this intelligent bird is now a frequent and fascinating visitor to backyards and coastlines across Europe.

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Quick Identification

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Size

Length 22-27 inches (56-68 cm), wingspan 54-61 inches (137-155 cm), weight 1.5-3.3 lbs (680-1,500 g)

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Colors

Adults have pale gray upperparts and white underparts. They feature black wingtips with very small white mirrors. Legs are typically pale yellow or flesh-colored, and the eyes are usually dark.

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Key Features

Long, slender 'snout-like' bill
Beady, dark iris on a pear-shaped head
Long, stilt-like legs
Shallow, sloping forehead profile

When You’ll See Them

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Activity pattern Active during the day

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Peak hours 6-10 AM, 3-6 PM

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Season Year-round, with winter peaks in Western Europe

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Diet A versatile omnivore that hunts for fish and aquatic invertebrates, but also scavenges for carrion, eggs, rodents, and human food waste.

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Habitat Coastal beaches, inland lakes, major river systems, and increasingly urban rooftops or landfills.

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Where Does the Caspian Gull Live?

Native to the vast steppe regions of Central Asia and the basins of the Black and Caspian Seas, the Caspian Gull has undergone a significant westward expansion in recent decades. It is now a common sight across Central and Eastern Europe, with core populations in Russia, Ukraine, and Poland, while increasingly appearing as a regular winter visitor as far west as the British Isles and the North Sea coast. This adaptable species thrives along major river corridors and has successfully integrated into the urban fabric of many European cities.

Basemap © OpenStreetMap contributors

10 Countries

10.2M km² Range

Least Concern Conservation

Russia Kazakhstan Ukraine PL Poland DE Germany

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iNaturalist / Verified observation data

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Behavior

Caspian Gulls are highly intelligent and opportunistic birds, known for their aggressive yet cautious nature. They are social creatures, often gathering in large, mixed-species flocks near water or abundant food sources like landfills and fishing ports. Despite their social nature, they maintain a distinctive 'stretching' posture and a more elegant, elongated silhouette compared to their bulkier cousins.

In human-dominated landscapes, these gulls have become expert scavengers. While they traditionally nested on sandy islets or steppe lakes, they are increasingly colonizing urban environments, even nesting on flat rooftops. They are vocal birds, using a loud, rhythmic 'laughing' call to defend territory or signal the discovery of food, a trait that earned them their scientific name 'cachinnans'.

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Camera Tips

Capturing the Caspian Gull on a backyard or trail camera requires focusing on open ground or elevated flat surfaces near water. If your property is near a river or coast, place your camera on a low tripod or a stable mount facing a large, shallow birdbath or a flat patch of lawn. Because these gulls have long legs and a distinctive 'snouty' head shape, a low-angle shot (about 12-18 inches off the ground) provides the best profile for identification against similar-looking species like the Herring Gull.

For lure suggestions, these birds are highly attracted to protein. While they are scavengers, avoid messy household scraps; instead, use high-quality dried mealworms or small pieces of raw fish placed in a flat, heavy ceramic tray to prevent the wind or the bird from dragging it out of the frame. Position the 'landing zone' approximately 8 to 12 feet from the camera lens to ensure the bird's large wingspan is captured as it approaches or takes off.

Lighting is the most critical factor for identifying the Caspian Gull’s subtle features, such as the dark, beady iris and the specific shade of the gray mantle. Set your camera to face away from the sun (north-facing in the Northern Hemisphere) to avoid 'white-out' on their bright plumage. High-speed shutter settings or 'Burst Mode' are essential, as gulls are quick and jerky in their movements. Early morning light is particularly effective at highlighting the leg color and bill shape without the harsh glare found at midday.

Similar Species

Species that look similar or are commonly confused with Caspian Gull.

Herring Gull

Herring Gulls have a more robust build, a steeper forehead, and much paler yellow eyes compared to the beady dark eyes of the Caspian Gull.

Yellow-legged Gull

Yellow-legged Gulls have brighter yellow legs and a darker gray back, whereas the Caspian Gull has paler legs and a more elongated snout.

Lesser Black-backed Gull

The Lesser Black-backed Gull is smaller with significantly darker, charcoal-gray wings and back.

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Frequently Asked Questions

Caspian Gulls are primarily diurnal, meaning they are most active during the day. You will see them most frequently during the early morning hours just after sunrise and again in the late afternoon as they forage before returning to their roosts.

To attract them, provide a large, open water source such as a ground-level birdbath. Offering protein-rich snacks like dried mealworms or small fish can also lure them, but be mindful as this may also attract other large scavengers.

They are opportunistic omnivores. Their diet includes small fish, insects, eggs, and rodents, but they are also highly adapted to scavenging human refuse from bins and landfills.

Yes, they are becoming increasingly common in suburban and urban areas, especially those located near major rivers or the coast. They often use flat rooftops for nesting and resting.

Look for the Caspian Gull's longer, thinner legs, its 'pear-shaped' head with a more sloping forehead, and its darker, bead-like eyes. Herring Gulls generally have a bulkier build, a more angular head, and pale yellow eyes.

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