ring-billed gull

(redirected from Ring-billed)

ring-billed gull

 (rĭng′bĭld′)
n.
A gull (Larus delawarensis) of North and Central America and the Caribbean islands, having a black ring around its bill. Also called ring-bill.
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Long-billed Dowitcher Limnodromus scolopaceus Wilson's Phalarope Phalaropus tricolor Laughing Gull Leucophaeus atricilla Ring-billed Gull Larus delawarensis Herring Gull Larus argentatus Unidentified Gull Larus sp.
Viral RNA was detected in herring gulls (Larus argentatus), ring-billed gulls (Larus delawarensis), and laughing gulls (Leucophaeus atricilla).
Birding highlights this week include a Balearic Shearwater from the Holyhead-Dublin ferry, a Ring-billed Gull and Great White Egret at Connah's Quay nature reserve on Saturday.
H13 viruses have been isolated from ring-billed gulls (Larus delawarensis) outside the breeding season (10).
Worcester's 2012 count totaled an impressive 89 species, which were dominated by 1,741 Canada geese, 1,533 ring-billed gulls, 1,373 black capped chickadees, 1,162 crows, 1,108 juncos, 996 robins, 881 starlings, 829 mallards, 795 house sparrows, 437 common mergansers, 401 goldfinches, 345 rock pigeons, 324 white-breasted nuthatches, 292 titmice, 274 hooded mergansers, 245 mourning doves, 236 blue jays, 196 cardinals, 196 house finches, 190 downy woodpeckers, 174 bluebirds, 138 greater scaup, 138 song sparrows, 135 redpolls, 118 common goldeneyes, 114 red-breasted nuthatches, and 100 black ducks.
They examine cultural blind spots in the case of the ring-billed gull in Toronto, wolves, snakes, the Mormon cricket, the coyote, prairie dogs, packrats, flying carp, starlings, bugs, the cat that kills the bird, bullhead catfish, rats and mice, and the fear and loathing in nature that haunts all of us when dealing with trash animals.
Bonaparte's, herring and ring-billed gulls arrive in the fall and stay through winter.
A ring-billed gull on Llanddwyn Island on Tuesday is now classed as a Welsh rarity again; and two yellow-legged gulls were at Morfa Bychan.
And though rooftops do not seem to be much used by fall migratory birds, they are commonly frequented by resident urban species, including European starling, house sparrow, rock dove, American robin, ring-billed gull, and American crow.
The study, by researchers from Universite de Montreal, shows that Herring and Ring-billed gulls not only watch their neighbours; they mimic their behaviour to assure their survival.
And ring-billed gulls from America have been seen at Lamby Lake, Glamorgan, Penrhos on Anglesey and an adult was in the roost at Llys-y-Fran Reservoir Pembrokeshire.
Pink plumage flush in Elegant Tern (Sterna elegans), Franklin's Gull (Larus pipixcan), and Ring-billed Gull (Larus delawarensis) is caused by carotenoids (Hudon & Brush 1990.