Animalia > Chordata > Aves > Charadriiformes > Laridae > Larus > Larus californicus
 

Larus californicus (California Gull)

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Wikipedia Abstract

The California gull (Larus californicus) is a medium-sized gull, smaller on average than the herring gull but larger on average than the ring-billed gull, though may overlap in size greatly with both.
View Wikipedia Record: Larus californicus

Infraspecies

EDGE Analysis

Uniqueness Scale: Similiar (0) 
0
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
4
 Unique & Vulnerable (100)
ED Score: 1.17182
EDGE Score: 0.775565

Attributes

Clutch Size [5]  3
Clutches / Year [2]  1
Global Population (2017 est.) [3]  410,000
Incubation [2]  25 days
Maximum Longevity [2]  30 years
Migration [1]  Intracontinental
Water Biome [1]  Lakes and Ponds, Rivers and Streams, Coastal
Wing Span [6]  4.297 feet (1.31 m)
Adult Weight [2]  1.523 lbs (691 g)
Birth Weight [2]  50 grams
Breeding Habitat [3]  Beaches and estuaries, Wetlands
Wintering Geography [3]  Western U.S./Mexico
Wintering Habitat [3]  Beaches and estuaries, Coastal marine, Freshwater lakes and rivers
Diet [4]  Carnivore (Invertebrates), Carnivore (Vertebrates), Frugivore, Granivore
Diet - Endothermic [4]  20 %
Diet - Fruit [4]  20 %
Diet - Invertibrates [4]  20 %
Diet - Scavenger [4]  20 %
Diet - Seeds [4]  20 %
Forages - Ground [4]  80 %
Forages - Water Surface [4]  20 %
Female Maturity [2]  3 years
Male Maturity [2]  3 years

Ecoregions

Protected Areas

Ecosystems

Important Bird Areas

Name Location  IBA Criteria   Website   Climate   Land Use 
American Falls Reservoir USA A4i
Amphitrite and Swiftsure Banks Canada A4i
Blackfoot Reservoir USA A4i

Biodiversity Hotspots

Name Location Endemic Species Website
California Floristic Province Mexico, United States No
Mesoamerica Belize, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, Panama No

Emblem of

Utah

Prey / Diet

Anas americana (American Wigeon)[7]
Aythya americana (Redhead)[7]
Clupea pallasii (Pacific herring)[8]
Doryteuthis opalescens (california market squid)[9]
Engraulis mordax (Californian anchoveta)[8]

Prey / Diet Overlap

Predators

Consumers

Institutions (Zoos, etc.)

    Maps
Institution Infraspecies / Breed 
Moonridge Animal Park

Range Map

Distribution

North America; Oceania;

External References

Audio

Play / PauseVolume
Provided by eNature via Myxer Author: Lang Elliot

Photos

Citations

Attributes / relations provided by
1Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. The Animal Diversity Web (online). Accessed February 01, 2010 at animaldiversity.org
2de Magalhaes, J. P., and Costa, J. (2009) A database of vertebrate longevity records and their relation to other life-history traits. Journal of Evolutionary Biology 22(8):1770-1774
3Partners in Flight Avian Conservation Assessment Database, version 2017. Accessed on January 2018.
4Hamish Wilman, Jonathan Belmaker, Jennifer Simpson, Carolina de la Rosa, Marcelo M. Rivadeneira, and Walter Jetz. 2014. EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95:2027
5Jetz W, Sekercioglu CH, Böhning-Gaese K (2008) The Worldwide Variation in Avian Clutch Size across Species and Space PLoS Biol 6(12): e303. doi:10.1371/journal.pbio.0060303
6del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
7Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014). Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.
8Szoboszlai AI, Thayer JA, Wood SA, Sydeman WJ, Koehn LE (2015) Forage species in predator diets: synthesis of data from the California Current. Ecological Informatics 29(1): 45-56. Szoboszlai AI, Thayer JA, Wood SA, Sydeman WJ, Koehn LE (2015) Data from: Forage species in predator diets: synthesis of data from the California Current. Dryad Digital Repository.
9CephBase - Cephalopod (Octopus, Squid, Cuttlefish and Nautilus) Database
10Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database of the Natural History Museum, London
Ecoregions provided by World Wide Fund For Nature (WWF). WildFinder: Online database of species distributions, ver. 01.06 WWF WildFINDER
Biodiversity Hotspots provided by Critical Ecosystem Partnership Fund
Abstract provided by DBpedia licensed under a Creative Commons License
Audio software provided by SoundManager 2