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Colony and nest site fidelity of the Rock Shag (Phalacrocorax magellanicus)
(Springer, 2008-12)
The rock shag (Phalacrocorax magellanicus) is an endemic species from southern Argentina and Chile. In Argentina, the population is distributed along the Patagonian coast in 143 small colonies (5–377 pairs). We studied ...
Foraging Behavior and Feeding Locations of Imperial Cormorants and Rock Shags Breeding Sympatrically in Patagonia, Argentina
(Waterbird Society, 2003-12)
Although there have been several studies of the foraging behavior of the Imperial Cormorant (Phalacrocorax atriceps) and the Rock Shag (Phalacrocorax magellanicus), none document the feeding performance and the use of ...
Foraging behaviour and habitat partitioning of two sympatric cormorants in Patagonia, Argentina
(Wiley Blackwell Publishing, Inc, 2008-07)
Radiotelemetry was used to assess the distribution and diving behaviour of Rock Shags Phalacrocorax magellanicus and Red-legged Cormorants Phalacrocorax gaimardi breeding in sympatry, and Rock Shags breeding in isolation. ...
Foraging behaviour and feeding locations of Rock Shags Phalacrocorax magellanicus from a colony in Patagonia, Argentina
(Wiley Blackwell Publishing, Inc, 2008-06)
During 1996 and 1997, foraging Rock Shags Phalacrocorax magellanicus were studied at Punta Loma, Argentina using radio‐transmitters deployed on ten adult shags during the chick‐rearing period. Rock Shags undertook 2.6 ± ...
Serosurvey for selected infectious agents in two sympatric species of cormorants (Phalacrocorax atriceps and Phalacrocorax magellanicus) from coastal Patagonia, Argentina
(Wildlife Disease Association, 2013-01)
We conducted a serologic survey for selected infectious agents on two sympatric cormorants, the Imperial Cormorant (Phalacrocorax atriceps) and the Rock Shag (Phalacrocorax magellanicus). Blood was collected from 267 ...
Evidences of Rock shags (Phalacrocorax magellanicus) and Imperial cormorants (Ph. atriceps) leaving their nest by night
(African Seabird Group, 2002-12)
Imperial Cormorants Phalacrocorax atriceps and Rock Shags P. magellanicus are foot-propelled pursuit divers usually described as visual feeders (Johnsgard 1993). Previous studies describing Imperial Cormorant and Rock Shag ...
The diet of adult and chick rock shags (Phalacrocorax magellanicus) inferred from combined pellet and stable isotope analyses
(Springer, 2020-05)
The current information about the diet composition of the rock shag (Phalacrocorax magellanicus) in the SW Atlantic coast comes mainly from conventional pellet or stomach content analysis from a few locations situated in ...
Biología reproductiva de los cormoranes Imperial (Phalacrocorax atriceps) y Cuello Negro (P. magellanicus) en el Golfo San Jorge, Chubut, Argentina
(Aves Argentinas, 2003-12)
Estudiamos la biología reproductiva de los cormoranes Imperial Phalacrocorax atriceps y Cuello Negro P. magellanicus en el Golfo San Jorge, Argentina, durante las temporadas reproductivas de 1991 a 1993. Los fechas en que ...
Effect of anthropic activity on the Imperial Cormorants and Rock Shags colonies in the Beagle Channel, Tierra del FuegoEfectos de la actividad antrópica sobre las colonias del Cormorán Imperial y Cormorán de las Rocas en el Canal Beagle, Tierra del Fuego
(Instituto de Oceanología, 2013-04)
Las aves marinas son importantes componentes del ecosistema marino y para las economías locales a través del ecoturismo. Distintas fuentes de disturbio humano pueden afectar a estas aves, causando un decrecimiento en el ...