Larus delawarensis   Ord, 1815

ring-billed gull

Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Larus delawarensis   AquaMaps   Data sources: GBIF OBIS
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Larus delawarensis
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Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS

Aves | Ciconiiformes | Laridae

Environment / Climate / Range Ecology

Others.  Subtropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Indo-Pacific, Atlantic Ocean and the Mediterranean: Belize, Costa Rica and Netherlands Antilles.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 53.0 cm TL male/unsexed; (Ref. 8812); max. published weight: 471.00 g (Ref. 356)

Short description Morphology

Culmen: 4.24 cm; tarsus: 5.08 cm; wing: 37.7 cm.

Biology     Glossary (e.g. epibenthic)

Total Length: 45 to 53 cm; Wingspan: 121 to 127 cm (Ref. 8812). Coastal; <31 km (Ref. 356). One of the few species that nest and forage in inland habitats, and move to the coast during non-breeding season. Nest of simple construction. Embryos are exceptionally known to elicit parental incubation behavior by vocalizing. Regurgitated pellets cast by adults to feed its cheeks during the nestling period contain mostly earthworms or fish (Ref. 87784). Display dipping and surface plunging (Ref. 356).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference References | Coordinator | Collaborators

Lepage, D. 2007. (Ref. 7816)

IUCN Red List Status (Ref. 115185)

CITES status (Ref. 108899)

Not Evaluated

Threat to humans

Human uses


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More information

Countries
FAO areas
Ecosystems
Occurrences
Introductions
Stocks
Ecology
Diet
Food items
Common names
Synonyms
Predators
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Morphology
Larvae
Abundance
References
Mass conversion

Internet sources

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Publication : search) | GenBank (genome, nucleotide) | GloBI | GOBASE | Google Books | Google Scholar | Google | ispecies | PubMed | Scirus | Tree of Life | uBio | uBio RSS | Wikipedia (Go, Search) | Zoological Record

Estimates of some properties based on models

Vulnerability (Ref. 71543)
Moderate vulnerability (41 of 100)
Price category (Ref. 80766)
Unknown