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Larus philadelphia   (Ord, 1815)

Bonaparte's gull
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Classification
Aves | Ciconiiformes | Laridae
Common names | Synonyms | CoL | ITIS | WoRMS

Main reference
Lepage, D. 2007. (Ref. 7816)
References | Biblio | Coordinator | Collaborators

Size / Weight / Age
Max length : 36.0 cm TL male/unsexed; (Ref. 8812); max. published weight: 212.00 g (Ref. 356)

Environment
Others; freshwater

Climate / Range
Tropical

Distribution
Western Central Atlantic and Northeast Pacific:
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description
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).

IUCN Red List Status (Ref. 114614)

CITES status (Ref. 94142)

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
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Morphology
Larvae
Abundance
References
Mass conversion

Internet sources
BHL | BOLD Systems | Check for other websites | Check FishWatcher | CISTI | DiscoverLife | FAO(Publication : search) | GenBank (genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | ispecies | National databases | PubMed | Scirus | FishBase | Tree of Life | uBio | uBio RSS | Wikipedia (Go, Search) | Zoological Record

Estimation of some characteristics with mathematical models

Vulnerability (Ref. 71543)
Low to moderate vulnerability (26 of 100)
Price category (Ref. 80766)
Unknown