Animalia > Chordata > Aves > Charadriiformes > Laridae > Gelochelidon nilotica > Gelochelidon nilotica macrotarsa

Gelochelidon nilotica macrotarsa (Gull-billed Tern)

Synonyms: Gelochelidon nilotica cloatesi; Gelochelidon nilotica normani; Sterna macrotarsa; Sterna nilotica macrotarsa
Language: Spanish

EDGE Analysis

Uniqueness Scale: Similiar (0) 
3
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
21
 Unique & Vulnerable (100)
ED Score: 7.32481
EDGE Score: 2.11924
Learn more at EDGE of Existence programme

Attributes

Adult Weight [1]  221 grams
Birth Weight [3]  21 grams
Breeding Habitat [2]  Beaches and estuaries, Freshwater marshes
Wintering Geography [2]  Widespread Coastal
Wintering Habitat [2]  Beaches and estuaries
Diet [4]  Carnivore (Invertebrates), Carnivore (Vertebrates), Piscivore
Diet - Ectothermic [4]  20 %
Diet - Endothermic [4]  10 %
Diet - Fish [4]  20 %
Diet - Invertibrates [4]  50 %
Forages - Mid-High [4]  10 %
Forages - Understory [4]  30 %
Forages - Ground [4]  30 %
Forages - Water Surface [4]  30 %
Clutch Size [3]  3
Clutches / Year [3]  1
Fledging [5]  32 days
Incubation [3]  22 days
Maximum Longevity [3]  16 years
Migration [6]  Intercontinental
Wing Span [7]  37 inches (.94 m)
Female Maturity [3]  5 years
Male Maturity [3]  5 years

Ecoregions

Protected Areas

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Important Bird Areas

Biodiversity Hotspots

Prey / Diet

Prey / Diet Overlap

Consumers

External References

NatureServe Explorer

Citations

Attributes / relations provided by
♦ 1Storchová, Lenka; Hořák, David (2018), Data from: Life-history characteristics of European birds, Dryad, Dataset, https://doi.org/10.5061/dryad.n6k3n
♦ 2Partners in Flight Avian Conservation Assessment Database, version 2017. Accessed on January 2018.
♦ 3de 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
♦ 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
♦ 5Nathan 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
♦ 6Myers, 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
♦ 7del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
♦ 8Why do Gull-billed Terns Gelochelidon nilotica feed on fiddler crabs Uca tangeri in Guinea-Bissau?, Eric W.M. Stienen, Allix Brenninkmeijer & Marcel Klaassen, ARDEA 96(2), 2008, p. 243-250
♦ 9Jorrit 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.
♦ 10SYMENS, P. (1988). Effects of the mass migration of desert locusts Schistocerca gregaria on birds in the Taif area. Arabia.
♦ 11Gibson, 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
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