Ecology Summary - Sterna sandvicensis

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Ekologin hos Sterna sandvicensis

Main Ref.	SAUP Database, 2006
Anmärkningar	A coastal species (Ref. 356), found on beach and shoreline, nearshore and in islands (Ref. 116102). Primarily foraging inshore. In the North Sea off the east coast of Scotland and northern England, they are known to partially feed on the sandeel, Ammodytes marinus. Breeding pairs share incubation and chick-rearing duties in nesting colonies. They surface-feed by scooping prey from the water and carry it in their bills (Ref. 95711). Displays plunge-diving behavior (Ref. 356). Adults feed their chicks with regurgitated food (Ref. 95711).

Main Ref.

SAUP Database, 2006

Anmärkningar

A coastal species (Ref. 356), found on beach and shoreline, nearshore and in islands (Ref. 116102). Primarily foraging inshore. In the North Sea off the east coast of Scotland and northern England, they are known to partially feed on the sandeel, Ammodytes marinus. Breeding pairs share incubation and chick-rearing duties in nesting colonies. They surface-feed by scooping prey from the water and carry it in their bills (Ref. 95711). Displays plunge-diving behavior (Ref. 356). Adults feed their chicks with regurgitated food (Ref. 95711).

Aquatic zones / Water bodies

	Marine - Neritic	Marine - Oceanic	Brackishwater	Freshwater
Marine zones / Brackish and freshwater bodies	supra-littoral zone littoral zone sublittoral zone	epipelagic mesopelagic epipelagic abyssopelagic hadopelagic	Flodmynningar/laguner/bräckta havsområden mangroves marshes/swamps	rivers/streams lakes/ponds Grottor exclusively in caves

Highighted items on the list are where Sterna sandvicensis may be found.

Habitat

Substrate
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

Ref.	Daunt, F., S. Wanless, P.R. Simon, H.J. Greenstreet, K.R. Hamer and M.P. Harris, 2008
Associations	colony-forming/symphorism;
Associated with
Association remarks	Form nesting colonies (Ref. 95711).
Parasitism

Föda

Typ av föda	mainly animals (troph. 2.8 and up)
Feeding type Ref.	Daunt, F., S. Wanless, P.R. Simon, H.J. Greenstreet, K.R. Hamer and M.P. Harris, 2008
Födosöksstrategi	hunting macrofauna (predator)
Feeding habit Ref.	Daunt, F., S. Wanless, P.R. Simon, H.J. Greenstreet, K.R. Hamer and M.P. Harris, 2008

Trophic Level(s)

Estimation method	Ursprungligt prov		Ofiskad population		Kommentar
Estimation method	Troph	s.e.	Troph	s.e.	Kommentar
Från födosammansättning
Från individuella födoämnen	4.30	0.72			Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.

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