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) 
0
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
5
 Unique & Vulnerable (100)
ED Score: 1.98825
EDGE Score: 1.09469
Learn more at EDGE of Existence programme

Attributes

Adult Weight [1]  1.226 lbs (556 g)
Female Weight [1]  1.151 lbs (522 g)
Male Weight [1]  1.303 lbs (591 g)
Weight Dimorphism [1]  13.2 %
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
Fledging [1]  30 days
Incubation [3]  24 days
Migration [4]  Intracontinental
Wing Span [3]  4.166 feet (1.27 m)

Ecoregions

Protected Areas

Important Bird Areas

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

Consumers

Range Map

External References

Citations

Attributes / relations provided by
♦ 1Nathan P. Myhrvold, Elita Baldridge, Benjamin Chan, Dhileep Sivam, Daniel L. Freeman, and S. K. Morgan Ernest. 2015. An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96:3109
♦ 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 Wildfinder Database
Biodiversity Hotspots provided by Critical Ecosystem Partnership Fund
Abstract provided by DBpedia licensed under a Creative Commons License
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0