Species · GBIF taxon 2481134
Larus delawarensis
larus delawarensisAlso known as Ring-bill
Ring-billed gulls are highly adaptable, opportunistic foragers that thrive in both coastal environments and human-dominated inland spaces like parking lots and landfills. They nest in large, noisy colonies on flat islands, where mated pairs work together to build shallow nests and raise their young. Their distinctive high-pitched, laughing calls are a familiar sound across North American lakes and waterways.
AdaptableSocialCoastal
1 / 7—observations
—countries
—peak records
Least ConcernConservation statusIUCN Red List categoriesLCNTVUENCREWEXLeast ConcernRed List categories, explained →
Diet & prey
- Small fish
- Insects
- Earthworms
Predators
- Bald Eagles
- Coyotes
- Great Horned Owls
ThreatsWater pollution, plastic ingestion, and nesting habitat disturbance
HabitatsLakes, rivers, coasts, estuaries, landfills, and urban parking lots
Life span10 to 15 years in the wild
Size / weightNot available
Classification
- OrderCharadriiformes
- FamilyLaridae
- GenusLarus
- Specieslarus delawarensis
Range data is not available yet.
Interaction riskLow
- Low
- Moderate
- High
- Very high
- Why interaction risk is low
- Capable of delivering a sharp peck if cornered or handled; observe from a respectful distance.
- Why it is dangerous
- Can deliver a painful peck with their sharp, hooked bill and scratch with their webbed claws if cornered or handled.
- How to recognize a risky encounter
- Look for a medium-sized gull with a bright yellow bill marked by a complete black ring near the tip.
- What to do
- Avoid approaching nesting colonies or cornering injured birds; contact a licensed wildlife rehabilitator if assistance is needed.
Responsible observation
- Do not feed: Offering food encourages aggressive begging behavior and disrupts their natural diet.
- Watch for the ring: Identify adults by the prominent black band wrapping around the yellow bill.
- Keep distance at nests: Breeding colonies are highly sensitive to human intrusion.
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