Chlidonias niger, Black tern

Chlidonias niger   (Linnaeus, 1758)

Black tern
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Classification / Names Populärnamn | synonymer | CoL | ITIS | WoRMS

Aves | Charadriiformes | Laridae

Environment: milieu / climate zone / djupintervall / distribution range Ekologi

; sötvatten; brackvatten.  Tropical; 63°N - 33°S, 125°W - 54°E (Ref. 124582)

Distribution Länder | FAO områden | Ekosystem | Förekomster | Utplanteringar

Pacific Ocean, Atlantic Ocean, Mediterranean and the Arctic.

Length at first maturity / Size / Weight / Age

Könsmognad: Lm ?  range ? - ? cm Max length : 24.0 cm TL hane/ej könsbestämd; (Ref. 8812); publicerad maxvikt: 65.00 g (Ref. 356)

Short description Morfologi

Culmen: 2.74 cm; tarsus: 1.69 cm; wing: 21.35 cm.

Biologi     Ordlista (t.ex. epibenthic)

Total Length: 22 to 24 cm; Wingspan: 66 cm (Ref. 8812, 84934). They disperse south to winter at sea on both coasts of South America and West Africa. Breeding occurs in Canada and North America, and in Europe from southern Scandinavia to Spain, eastwards across Europe and Asia to the Chinese border. Total population is approximately 500,000 pairs with majority in Russia and possibly 100,000 pairs in North America. Population decline is due to land reclamation for agriculture (Ref. 84934). Dipping; coastal; <4 km (Ref. 356). Found on beach, shoreline, nearshore and in islands (Ref. 116102). Black terns belong to the habitat category of nesting and foraging in inland habitats and come to the coasts during non-breeding season (Ref. 87784). It hawks for insects over land on mild, still days, but in cooler, windier weather they stay over the sea (Ref. 87787). Breeds colonially on well-vegetated inland lakes, marshes and peat bogs (Ref. 84934).

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Eggs | Fecundity | Larvae

Main reference referenser | Koordinator | Medarbetare

Stiles, F.G. 1984 Status and conservation of seabirds in Costa Rican waters. In Croxall, J.P., Evans, P.G.H. and Schreiber, R.W. (eds.), Status and Conservation of the World's Seabirds. ICBP Technical Publication 2:223-229. (Ref. 5856)

IUCN Red List Status (Ref. 130435: Version 2025-1)

  Least Concern (LC) ; Date assessed: 07 August 2018

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Appendix II: Migratory species conserved through agreements

Threat to humans

Human uses


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Ytterligare information

Trophic Ecology
Food items (preys)
Födosammansättning
Födointag
Predatorer
Ekologi
Ekologi
Population dynamics
Tillväxt
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundans
Life cycle
Reproduktion
Könsmognad
Fecundity
Lek
Eggs
Egg development
Larvae
Distribution
Länder
FAO områden
Ekosystem
Förekomster
Utplanteringar
Physiology
Syreförbrukning
Human Related
Stamps, coins, misc.
Outreach
Medarbetare
Taxonomy
Populärnamn
synonymer
Morfologi
Bilder
referenser
referenser

Internet-källor

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, sök) | Zoological Record

Estimates based on models

Fishing Vulnerability (Ref. 71543): Low vulnerability (14 of 100).
Price category (Ref. 80766): Unknown.

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