Animalia > Chordata > Aves > Charadriiformes > Laridae > Larus > Larus livens
 

Larus livens (Yellow-footed Gull)

Synonyms: Larus occidentalis livens
Language: Spanish

Wikipedia Abstract

The yellow-footed gull (Larus livens) is a large gull, closely related to the western gull and thought to be a subspecies until the 1960s. It is native to the Gulf of California.
View Wikipedia Record: Larus livens

EDGE Analysis

Uniqueness Scale: Similiar (0) 
0
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
6
 Unique & Vulnerable (100)
ED Score: 1.44303
EDGE Score: 0.893239

Attributes

Adult Weight [1]  2.77 lbs (1.26 kg)
Birth Weight [3]  99.7 grams
Breeding Habitat [2]  Beaches and estuaries
Wintering Geography [2]  Pacific Coast
Wintering Habitat [2]  Beaches and estuaries, Coastal marine
Diet [4]  Carnivore (Invertebrates), Carnivore (Vertebrates), Piscivore
Diet - Endothermic [4]  20 %
Diet - Fish [4]  30 %
Diet - Invertibrates [4]  20 %
Diet - Scavenger [4]  30 %
Forages - Ground [4]  50 %
Forages - Water Surface [4]  50 %
Clutch Size [3]  3
Global Population (2017 est.) [2]  40,000
Wing Span [1]  4.9 feet (1.48 m)

Ecoregions

Name Countries Ecozone Biome Species Report Climate Land
Use
Baja California desert Mexico Nearctic Deserts and Xeric Shrublands
Gulf of California xeric scrub Mexico Nearctic Deserts and Xeric Shrublands
Sierra de la Laguna dry forests Mexico Neotropic Tropical and Subtropical Dry Broadleaf Forests
Sonoran desert Mexico, United States Nearctic Deserts and Xeric Shrublands

Protected Areas

Name IUCN Category Area acres Location Species Website Climate Land Use
Alto Golfo de California y Delta del Rio Colorado Biosphere Reserve VI 2320468 Sonora, Mexico  

Prey / Diet

Anisotremus davidsonii (Xantic sargo)[5]
Clupea harengus (Yawling)[5]
Clupea pallasii (Pacific herring)[5]
Engraulis anchoita (Anchoita)[5]
Engraulis australis (Australian anchovy)[5]
Engraulis capensis (Southern African anchovy)[5]
Engraulis encrasicolus (Southern African anchovy)[5]
Engraulis japonicus (Japanese anchovy)[5]
Engraulis mordax (Californian anchoveta)[5]
Kondakovia longimana (Giant Warty Squid)[5]
Larus heermanni (Heermann's Gull)[1]
Myotis vivesi (fish-eating bat)[1]
Oceanodroma melania (Black Storm-Petrel)[1]
Oceanodroma microsoma (Least Storm-Petrel)[1]
Sardina pilchardus (European pilchard)[5]
Sardinops sagax (Australian pilchard)[5]
Sprattus sprattus (Whitebait)[5]
Thalasseus elegans (Elegant Tern)[1]

Prey / Diet Overlap

Competing SpeciesCommon Prey Count
Corvus corax (Northern Raven)1
Falco peregrinus (Peregrine Falcon)1
Lanius ludovicianus (Loggerhead Shrike)1
Larus delawarensis (Ring-billed Gull)1
Larus occidentalis (Western Gull)1
Pandion haliaetus (Osprey)1
Tyto alba (Barn Owl)1

Range Map

North America;

Photos

Citations

Attributes / relations provided by
1del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
2Partners in Flight Avian Conservation Assessment Database, version 2017. Accessed on January 2018.
3Terje Lislevand, Jordi Figuerola, and Tamás Székely. 2007. Avian body sizes in relation to fecundity, mating system, display behavior, and resource sharing. Ecology 88:1605
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
5Jorrit 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.
Ecoregions provided by World Wide Fund For Nature (WWF). WildFinder: Online database of species distributions, ver. 01.06 WWF WildFINDER
Images provided by Google Image Search
Abstract provided by DBpedia licensed under a Creative Commons License
Weather provided by NOAA METAR Data Access