Ecology Summary - Oceanodroma castro

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Ecology of Oceanodroma castro

Main Ref.	SAUP Database, 2006
Remarks	Highly pelagic. Forages alone or with conspecifics, feeding while sitting on the water or by dipping prey while flapping just above the ocean surface, often pattering water with feet. Diet mainly consists of small fish, squid, and some crustaceans(Ref. 122680).

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 Oceanodroma castro 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.	SAUP Database, 2006

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	4.14	0.55			Trophic level estimated from a number of food items using a randomized resampling routine.
Ref.