Ecology Summary - Larus canus

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Ecology of Larus canus

Main Ref.	SAUP Database, 2006
Remarks	Coastal. Displays dipping behavior. Exhibits kleptoparasitism (Ref. 356). Yolk formation takes 5 to 8 days. Reported rearing of two broods in a breeding season. Fostering behavior where foster parents and foster chicks are closely related. Decline in population as an adverse effect of the introduction of American mink (Mustela vison) in the United Kingdom (Ref. 87784).

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	estuaries/lagoons/brackish seas mangroves marshes/swamps	rivers/streams lakes/ponds caves exclusively in caves

Highighted items on the list are where Larus canus may be found.

Habitat

Substrate
Substrate Ref.
Special habitats
Special habitats Ref.

Associations

Ref.
Associations
Associated with
Association remarks
Parasitism

feeding

Feeding type	mainly animals (troph. 2.8 and up)
Feeding type Ref.	Karpouzi, V.S., 2005
Feeding habit	hunting macrofauna (predator)
Feeding habit Ref.	Karpouzi, V.S., 2005

Trophic Level(s)

Estimation method	original sample		unfished population		Remark
Estimation method	Troph	s.e.	Troph	s.e.	Remark
From diet composition
From individual food items	4.25	0.93			Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.