Gelochelidon nilotica   Gmelin, 1789

Gull-billed tern
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Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS

Aves | Charadriiformes | Laridae

Environment: milieu / climate zone / depth range / distribution range Ecology

Others; brackish.  Tropical; 56°N - 44°S, 116°W - 173°E (Ref. 124582)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Indo-Pacific, Atlantic Ocean and the Mediterranean.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm Max length : 43.0 cm TL male/unsexed; (Ref. 8812); max. published weight: 290.00 g (Ref. 356)

Short description Morphology

Culmen: 4.1 cm; tarsus: 2.3 cm; wing: 33.0 cm.

Biology     Glossary (e.g. epibenthic)

Total Length: 35 to 43 cm; Wingspan: 86 to 103 cm (Ref. 8812). Total population is 55,000 pairs, mostly in Asia, 40,000 pairs. European population of about 6,800 to 160,000 pairs is declining due to loss of habitat (Ref. 84934).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference References | Coordinator | Collaborators

Enticott, J. and D. Tipling. 1997. (Ref. 84934)

IUCN Red List Status (Ref. 130435: Version 2024-1)

  Least Concern (LC) ; Date assessed: 14 August 2019

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)


Threat to humans

Human uses


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Trophic Ecology
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Age/Size
Length-weight
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Abundance
Life cycle
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Fecundity
Spawning
Eggs
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Larvae
Larval dynamics
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References

Internet sources

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Publication : search) | Fishipedia | GenBank (genome, nucleotide) | GloBI | Gomexsi | Google Books | Google Scholar | Google | PubMed | Tree of Life | Wikipedia (Go, Search) | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 12.1 - 29.1, mean 27.1 (based on 5421 cells).
Vulnerability (Ref. 71543): Low to moderate vulnerability (33 of 100).
Price category (Ref. 80766): Unknown.