Animalia > Chordata > Aves > Charadriiformes > Laridae > Larus > Larus crassirostris
 

Larus crassirostris (Black-tailed Gull)

Wikipedia Abstract

The black-tailed gull (Larus crassirostris) is a gull native to East Asia.
View Wikipedia Record: Larus crassirostris

EDGE Analysis

Uniqueness Scale: Similiar (0) 
1
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
9
 Unique & Vulnerable (100)
ED Score: 1.98825
EDGE Score: 1.09469

Attributes

Adult Weight [1]  1.23 lbs (557 g)
Diet [2]  Carnivore (Invertebrates), Carnivore (Vertebrates), Piscivore
Diet - Fish [2]  40 %
Diet - Invertibrates [2]  30 %
Diet - Scavenger [2]  30 %
Forages - Water Surface [2]  100 %
Clutch Size [3]  2
Incubation [3]  24 days
Migration [4]  Intracontinental
Wing Span [3]  4.2 feet (1.27 m)

Ecoregions

Name Countries Ecozone Biome Species Report Climate Land
Use
Bohai Sea saline meadow China Palearctic Flooded Grasslands and Savannas  
Central Korean deciduous forests Republic of Korea, Dem. People's Rep of Korea Palearctic Temperate Broadleaf and Mixed Forests
Changjiang Plain evergreen forests China Palearctic Temperate Broadleaf and Mixed Forests
Chao Phraya freshwater swamp forests Thailand Indo-Malayan Tropical and Subtropical Moist Broadleaf Forests
Hokkaido deciduous forests Japan Palearctic Temperate Broadleaf and Mixed Forests
Hokkaido montane conifer forests Japan Palearctic Temperate Coniferous Forests
Huang He Plain mixed forests China Palearctic Temperate Broadleaf and Mixed Forests
Indochina mangroves Thailand, Cambodia, Viet Nam Indo-Malayan Mangroves
Irrawaddy freshwater swamp forests Myanmar Indo-Malayan Tropical and Subtropical Moist Broadleaf Forests
Jian Nan subtropical evergreen forests China Indo-Malayan Tropical and Subtropical Moist Broadleaf Forests
Kamchatka-Kurile meadows and sparse forests Russia Palearctic Boreal Forests/Taiga
Manchurian mixed forests Republic of Korea, Dem. People's Rep of Korea, China, Russia Palearctic Temperate Broadleaf and Mixed Forests
Myanmar Coast mangroves India, Myanmar, Malaysia, Thailand Indo-Malayan Mangroves  
Nihonkai evergreen forests Japan Palearctic Temperate Broadleaf and Mixed Forests    
Nihonkai montane deciduous forests Japan Palearctic Temperate Broadleaf and Mixed Forests  
Northern Indochina subtropical forests China, Laos, Myanmar, Thailand, Viet Nam Indo-Malayan Tropical and Subtropical Moist Broadleaf Forests
Okhotsk-Manchurian taiga Russia Palearctic Boreal Forests/Taiga
Red River freshwater swamp forests Viet Nam Indo-Malayan Tropical and Subtropical Moist Broadleaf Forests
Sakhalin Island taiga Russia Palearctic Boreal Forests/Taiga
South China-Vietnam subtropical evergreen forests China, Viet Nam Indo-Malayan Tropical and Subtropical Moist Broadleaf Forests
South Sakhalin-Kurile mixed forests Russia Palearctic Temperate Broadleaf and Mixed Forests    
South Taiwan monsoon rain forests Taiwan Indo-Malayan Tropical and Subtropical Moist Broadleaf Forests
Southern Korea evergreen forests South Korea Palearctic Temperate Broadleaf and Mixed Forests
Taiheiyo evergreen forests Japan Palearctic Temperate Broadleaf and Mixed Forests
Taiheiyo montane deciduous forests Japan Palearctic Temperate Broadleaf and Mixed Forests
Taiwan subtropical evergreen forests Taiwan Indo-Malayan Tropical and Subtropical Moist Broadleaf Forests
Tonle Sap freshwater swamp forests Cambodia, Viet Nam Indo-Malayan Tropical and Subtropical Moist Broadleaf Forests
Tonle Sap-Mekong peat swamp forests Cambodia, Viet Nam Indo-Malayan Tropical and Subtropical Moist Broadleaf Forests
Ussuri broadleaf and mixed forests Russia Palearctic Temperate Broadleaf and Mixed Forests
Yellow Sea saline meadow China Palearctic Flooded Grasslands and Savannas
Yunnan Plateau subtropical evergreen forests China Palearctic Tropical and Subtropical Moist Broadleaf Forests

Protected Areas

Name IUCN Category Area acres Location Species Website Climate Land Use
Aleutian Islands Biosphere Reserve 2720489 Alaska, United States    
Kronotskiy Biosphere Reserve 361480 Russia  
Sikhote-Alinskiy Biosphere Reserve 978001 Russia  
Xishuangbanna Nature Reserve V 567531 Yunnan, China  
Yakushima Island Biosphere Reserve   Japan    
Yancheng Nature Reserve V 711488 China    

Important Bird Areas

BirdLife Species Factsheet: View Factsheet
Name Location  IBA Criteria   Website   Climate   Land Use 
Bentenjima islet Japan A4i, A4iii
Esashi, Menashidomari Japan A4i    
Fumishima Japan A4i  
Futagojima islets Japan A4i
Haimao Dao Island China (mainland) A1, A4i
Islands in Peter the Great bay Russia (Asian) A1, A4i, A4ii
Kabushima islet Japan A4i, A4iii  
Lower Tumen river Russia (Asian) A1, A4i, A4ii, A4iii
Matsumaekojima islet Japan A4i, A4ii, A4iii    
Rikuzen Enoshima islets Japan A4i
Rishirito island Japan A3, A4i    
Sanganjima islet Japan A4i, A4ii, A4iii
She Dao Island China (mainland) A1, A4i    
Teurito island Japan A4i, A4ii, A4iii    
Tobishima and Osyakujima islands Japan A4i, A4iii
Tsubakijima and Aomatsushima islets Japan A4i
Wuchishan Dao Nature Reserve China (mainland) A1, A4i

Biodiversity Hotspots

Name Location Endemic Species Website
Japan Japan No

Prey / Diet

Ammodytes personatus (Pacific sandlance)[3]
Sardinops sagax (Australian pilchard)[3]

Prey / Diet Overlap

Competing SpeciesCommon Prey Count
Balaenoptera borealis (Sei Whale)1
Cleisthenes herzensteini (pointhead flounder)1
Fratercula cirrhata (Tufted Puffin)1
Gadus chalcogrammus (Whiting)1
Gadus macrocephalus (Pacific cod)1
Lamna ditropis (Salmon shark)1
Larus schistisagus (Slaty-backed Gull)1
Phalacrocorax capillatus (Japanese Cormorant)1
Phocoena phocoena (Harbor Porpoise)1
Puffinus griseus (Sooty Shearwater)1
Puffinus opisthomelas (Black-vented Shearwater)1
Sula leucogaster (Brown Booby)1
Sula nebouxii (Blue-footed Booby)1

Consumers

Parasitized by 
Aploparaksis larina[5]
Aporchis rugosus[5]
Cardiocephaloides longicollis[5]
Cercarioides hoepplii[5]
Cosmocephalus obvelatus <Unverified Name>[5]
Cotylurus japonicus <Unverified Name>[5]
Cryptocotyle lingua[5]
Diplostomum huronense[5]
Diplostomum rutili[5]
Erschoviorchis lintoni[5]
Euamphimerus sibiricus <Unverified Name>[5]
Eucoleus contortus <Unverified Name>[5]
Heterophyopsis continua[5]
Paracuaria tridentata <Unverified Name>[5]
Pseudoheterophyes continua <Unverified Name>[5]
Pseudospelotrema japonicum[5]
Stictodora lari[5]
Stictodora sawakinensis[5]
Tetrabothrius erostris[5]

Institutions (Zoos, etc.)

    Maps
Institution Infraspecies / Breed 
Nogeyama Zoological Gardens Yokohama
Yokohama Zool. Gardens

Range Map

North America;

Photos

Citations

Attributes / relations provided by
1Terje Lislevand, Jordi Figuerola, and Tamás Székely. 2007. Avian body sizes in relation to fecundity, mating system, display behavior, and resource sharing. Ecology 88:1605
2Hamish 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
3del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
4Myers, 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
5Gibson, 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
Images provided by Google Image Search
Abstract provided by DBpedia licensed under a Creative Commons License
Weather provided by NOAA METAR Data Access