Are There Ring Billed Gulls in Maine?
Yes, ring billed gulls are abundant along Maine's coast and lakes, especially during spring and fall migration. These medium sized gulls arrive in large numbers after wintering farther south, and some stay year round. You'll find them congregating at harbors, beaches, and major inland waterways throughout the state.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 20, 2026.

Ring-billed Gull · Fyn Kynd CC BY-SA

Ring-billed Gull · Daniel Patterson CC BY

Ring-billed Gull · Jay Pruett CC BY
- 1
- species recorded
- 157,009
- GBIF records
- 6
- birding hotspots
- August, July, September
- peak months
Yes, ring billed gulls are in Maine. Next you'll want:
Real sighting data, source iNaturalist
1,280 verified observations on iNaturalist of ring billed gull have been recorded in Maine, most often in August, July, September.
When ring billed gull are recorded in Maine
Yes, ring billed gulls are abundant along Maine's coast and lakes, especially during spring and fall migration. These medium sized gulls arrive in large numbers after wintering farther south, and some stay year round. You'll find them congregating at harbors, beaches, and major inland waterways throughout the state.
Where Ring Billed Gulls Are Found in Maine
Ring billed gulls occur throughout Maine in diverse habitats. Coastal populations concentrate along the Atlantic shoreline from Kittery through the Down East region, particularly near major harbors in Portland, Bar Harbor, and Boothbay. Inland, they're abundant on the largest lakes including Moosehead Lake in the north and Sebago Lake near the coast. The Kennebec and Penobscot rivers host regular populations, especially where they widen into tidal zones. Smaller ponds and rivers attract them too, though their densest concentrations remain at the coast. In/wildlife/maine, you'll find information about other bird species sharing these habitats. Check our/wildlifehub for national patterns, and read our guide to/wildlife/maine/ring-billed-gullfor details specific to your region.
Season and Timing in Maine
Ring billed gulls follow a seasonal migration pattern in Maine. Most birds depart south in November and December, heading to the Atlantic coast from the Carolinas to Florida, returning in March and April as waters begin to warm. This spring migration is visually impressive with thousands arriving over several weeks. Some individuals remain through winter, especially if harbors and open water stays accessible. Summer populations decline as birds disperse northward to breeding grounds in the Great Lakes and Canadian interior. If you're observing gulls during winter, these hardy birds often congregate near open water and fish processing facilities. Our/wildlifesection has more migration information across North America.
How to Identify Ring Billed Gulls in Maine
Adult ring billed gulls measure 18 to 20 inches and show distinctive markings. The head is white, and the back and wings are pale silver gray. The wingtips are black with white spots. Most recognizably, their bill is yellow with a prominent black ring near the tip, the source of their name. Legs are yellow to yellowish green. First year birds appear mottled brown and gray, making them harder to identify. Second and third year birds show progressive white and gray plumage. Adults in breeding season may show a faint gray wash on the head. In Maine's light, these features are quite visible with binoculars. Learn more about identifying other Maine/wildlife/mainespecies to avoid confusion.
Where Sightings Concentrate in Maine
In spring and fall, concentrations peak at specific locations. Portland Harbor attracts thousands during migration periods. Casco Bay islands provide nesting habitat and hold birds from April through August. Rockland Harbor and Camden Harbor host significant numbers. On the mainland, Moosehead Lake in Piscataquis County sees hundreds, particularly in early spring. Sebago Lake near Raymond hosts large seasonal populations. The mouth of the Kennebec River near Bath concentrates birds, especially during cooler months when upwelling brings fish to the surface. Tidal mudflats near Brunswick and Freeport draw foraging birds. Smaller concentrations occur on freshwater ponds throughout the interior, though these are less predictable than coastal sites.
Typical Behavior of Ring Billed Gulls
Ring billed gulls are highly social and omnivorous. They often rest in large flocks on water, pilings, and sand. They're efficient predators, catching small fish by plunge diving and dabbling at the surface. They also scavenge at landfills, harbors, and beaches, picking up discarded food. They'll chase other birds to steal food, a behavior called kleptoparasitism. Their calls are loud and varied, from sharp yells to complex squawks. Breeding birds defend nesting territory aggressively. These gulls are highly adaptable to human environments and comfortable around boats, docks, and populated areas. They're intelligent, learning quickly where food is reliably available.
Coexistence and Safety Notes
Ring billed gulls are protected under federal law and cannot be harmed without a permit. They do not pose direct danger to humans. Some people view them as nuisances when they congregate at beaches or landfills, but conflicts are easily managed by not leaving food exposed. They're not aggressive toward people unless you approach nests during breeding season. If you encounter a gull nest, simply move at least 50 feet away. These birds have recovered dramatically from historic overhunting and now number in the millions across North America. This recovery is an ecological success story. Their presence in/wildlife/mainehabitats indicates healthy waterway ecosystems and abundant fish populations.
Similar Species People Confuse with Ring Billed Gulls
Several gull species share Maine's range and habitat. Herring gulls are larger, with darker wings, flesh colored legs, and a red spot on the bill, without the black ring. Great black backed gulls are very large with black backs and pink legs. Laughing gulls are smaller with dark hoods in summer and all black bills. Bonaparte's gulls are much smaller and delicate with white wings. Common terns are smaller, slighter, with black caps and orange red beaks, plus they dive for food rather than dabble. Lesser black backed gulls resemble herring gulls but have yellow legs and occur less frequently. The black ring on the yellow bill is the definitive feature separating ring billed from other Maine species.
Frequently Asked Questions
Do ring billed gulls nest in Maine? Yes, they nest on islands in coves and harbors, especially in the Casco Bay region, typically from April through August. When do most gulls leave Maine? Peak departure occurs November through December, with return starting in February through March. Are ring billed gulls endangered? No, they've recovered from near extinction and populations are now very stable and abundant across North America. Why do they gather at harbors? They find abundant fish waste from commercial operations and can feed efficiently in shallow harbor waters. What do ring billed gulls eat mainly? Small fish like silversides and anchovies, plus crustaceans, insects, and opportunistically discarded human food. How long do they live? In the wild, they typically live 10 to 15 years, with some reaching 20 years. Read more about/wildlifespecies in your area.
Plan your trip
Best time to see ring billed gull in Maine: August, July, September
See the month-by-month sighting calendar.
Plan your ring billed gull sighting in Maine
157,009 verified ring billed gull records have been logged in Maine, most recently in 2026. See the GBIF records.
Where to look in Maine
- Acadia National Park · Wildlife Watching, Birdwatching · Find hotels
- Appalachian National Scenic Trail · Wildlife Watching, Birdwatching · Find hotels
- Katahdin Woods and Waters National Monument · Wildlife Watching, Birdwatching · Find hotels
- Saint Croix Island International Historic Site · Wildlife Watching · Find hotels
- Frances Perkins National Monument · Find hotels
- Maine Acadian Culture · Find hotels
- Monhegan Island · 324 species recorded
- Biddeford Pool · 321 species recorded
- Acadia NP (please use more specific location if possible) · 294 species recorded
- Biddeford Pool--East Point Sanctuary · 289 species recorded
- Wells Reserve at Laudholm · 284 species recorded
- Stratton Island · 281 species recorded
Birding hotspots via eBird (Cornell Lab).
Recent ring billed gull sightings
- Scarborough Beach SP · 2026-07-20 11:46 · 20 seen
- Gilsland Farm Audubon Center · 2026-07-20 11:35
- Kettle Cove · 2026-07-20 11:32 · 2 seen
- RiverWalk at Head of Falls · 2026-07-20 10:32 · 16 seen
- Thomaston Waterfront · 2026-07-20 10:14 · 12 seen
More wildlife in Maine