Category: Phalacrocoracidae

Rarest birds of the World: chatham Island Shag (Phalacrocorax onslowi)

This species occupies a very area on the Chatham Islands, New Zealand. The past 10 years, surveys indicate that the species is in decline. In 2011 the population was estimated to be about 1000 individuals. The breeding colonies suffered much from agricultural activities and feral mammals. These colonial ground breeding species trample their eggs while […]

A record of Pygmy Cormorant Microcarbo pygmaeus from medieval Spain

Pygmy Cormorant (Phalacrocorax pygmaeus) Science Article 1 abstract The discovery of four bones of a Pygmy Cormorant Microcarbo pygmaeus during an excavation of a fortress in Central Spain indicates the presence of this species in the area during the Late Middle Ages. The probability that this bird could be a vagrant is very small. The […]

Contracaecum rudolphii Hartwich (Nematoda, Anisakidae) from the Neotropical Cormorant, Phalacrocorax brasilianus (Gmelin) (Aves, Phalacrocoracidae) in southern Brazil

Neotropic Cormorant (Phalacrocorax brasilianus) Science Article 3 abstract The present report is part of a larger study on the helminth fauna of Neotropical Cormorants,Phalacrocorax brasilianus (Gmelin, 1789) in Brazil, particularly, in the southernmost State of Rio Grande do Sul. Thenematodes which were found loose in the proventriculus/ventriculus or in groups of adults of different ages […]

Primeiro registro de Syncuaria squamata (Linstow) (Nematoda, Acuariidae) embiguas, Phalacrocorax brasilianus (Gmelin) (Aves, Phalacrocoracidae) no Brasil

Neotropic Cormorant (Phalacrocorax brasilianus) Science Article 4 abstract First record of Syncuaria squamata (Linstow) (Nematoda, Acuariidae) in Neotropical cormorants Phalacrocorax brasilianus (Gmelin) (Aves, Phalacrocoracidae) in Brazil. The nematodes of the genus Syncuaria Gilbert, 1927 are parasites of birds of the orders Pelecaniformes, Ciconiiformes, and Podicipediformes. Eleven species are considered valid in this genus, however, two […]

Ecological Functions and Economic Value of the Neotropic Cormorant (Phalacrocorax brasilianus) in Los Olivitos Estuary, Venezuela

Neotropic Cormorant (Phalacrocorax brasilianus) Science Article 2 abstract We determined the ecological function and economic value of a colony of piscivorous Neotropic Cormorants at the Los Olivitos Wildlife Refuge and Fisheries Reserve (WRFR), Lake Maracaibo, Venezuela. Colony size increased from 17,000 to approximately 40,000 in two years. Lake Maracaibo supports one of the most productive […]


Neotropic Cormorant (Phalacrocorax brasilianus) Science Article 1 abstract We studied the breeding biology of Neotropic Cormorants Phalacrocorax olivaceus at Golfo San Jorge, Argentina,during 1999. A total of 104 nest platforms with signs of occupation was counted, at 66 (63.5%) of whicheggs were laid. Nests were built on top of medium to large bushes located up […]