Ring-billed Gull
Image: Louis Burns (cc-by-nc)
NameRing-billed Gull
Common NameRing-billed Gull
Scientific NameLarus delawarensis
FamilyLaridae
Wingspan (cm)112.5
Length (cm)45
Weight (g)500
Plumage DetailsAdults have a white head, body, and tail, a pale gray back and upperwings, and black primary wingtips with white spots. Their bill is yellow with a prominent black ring near the tip, and their legs are yellow. Juveniles, like the one pictured, exhibit mottled brown and white plumage, especially on the head and body, with pinkish legs and a pinkish bill with a dark tip, gradually acquiring adult plumage over 2-3 years.
Vocalization / CallVocalizations include a variety of loud, high-pitched calls such as 'kyow,' 'kree-kree-kree,' and 'ha-ha-ha,' often given in a series, especially during territorial displays or when foraging.
Primary Dietomnivore
Primary Habitatscoastal, lakes, rivers, agricultural fields, urban, landfills, beaches, estuaries
Conservation Statusleast-concern
Geographic RangeBreeds across Canada and the northern United States, migrating south to winter along the coasts of the United States, Mexico, and the Caribbean.
Identifying FeaturesYellow bill with a distinct black ring (adults), Yellow legs (adults), Pale gray back and white underparts (adults), Mottled brown and white plumage (juveniles), Medium size, smaller than Herring Gull but larger than Bonaparte's Gull
Description
The Ring-billed Gull is a medium-sized gull, common across North America, often found in diverse habitats from coastal areas to urban environments. They are highly opportunistic feeders, frequently seen scavenging in parking lots, landfills, and agricultural fields.
