Larus philadelphia   (Ord, 1815)

Bonaparte's gull
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Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS

Aves | Ciconiiformes | Laridae

Environment / Climate / Range Ecology

Others; freshwater.  Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Western Central Atlantic and Northeast Pacific:

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 36.0 cm TL male/unsexed; (Ref. 8812); max. published weight: 212.00 g (Ref. 356)

Short description Morphology

Culmen: 2.99 cm; tarsus: 3.175 cm; wing: 26.3 cm.

Biology     Glossary (e.g. epibenthic)

Total Length: 18 to 21 cm; Wingspan: 30 to 33 cm (Ref. 8812). Surface seizing; dipping; coastal (Ref. 356). A surface nester, usually builds nest in trees. One of the few species that nest and forage in inland habitats, and move to the coast during non-breeding season. Colonial; distance between pairs may be >100m but nest sites still clumped with many other suitable nesting areas unutilized. Vulnerable to oil spill as a piscivore; saw 50% decline in population from 1989 in Prince William Sound after the Exxon Valdez oil spill (Ref. 87784).

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)
Low to moderate vulnerability (26 of 100)
Price category (Ref. 80766)
Unknown