Over the last few decades, population of great cormorant (Phalacrocorax carbo L., 1758) in Europe has been rising. The formation large nesting and roosting colonies relatively small areas, their rapid metabolism excretion significant amounts guano can have a marked environmental impact. This study aimed to investigate how cormorants affect biodiversity density soil mites under breeding colonies...

Background: Present study was carried out in north of Iran to investigate the concentration of mercury (Hg) as one of the most toxic metals in tissues of two species of birds. Methods: In this study, 15 birds from coot (Fulica atra) and 18 birds from cormorant (Phalacrocorax carbo) were hunted in Anzali and Gomishan wetlands. Data-analyses carried out using SPSS software version 17 licenced...

The flightless cormorant (Phalacrocorax harrisi) is an endemic species of the Galápagos Islands, Ecuador. Health studies of the species have not previously been conducted. In August 2003, baseline samples were collected from flightless cormorant colonies on the islands of Isabela and Fernandina. Seventy-six birds, from nestlings to adults, were evaluated. Genetic sexing of 70 cormorants reveale...

The content of polychiorinated hydrocarbons (PCHC) (mainly pesticides and their metabolites) and polychiorinated biphenyls (PCB) were assayed in fat tissue specimens of hunting animals, shot on the southwest coast of Greenland, and in Eskimoes of the same area. Among the birds highest amounts of pp'DDE and PCB were found in the cormorant and the raven (high amounts of PCB were also found in the...

Juveniles of Contracaecum multipapillatum infected the Mayan cichlid (Cichlasoma urophthalmus) and adults infected the olivaceous cormorant (Phalacrocorax olivaceus) and the great egret (Casmerodius albus) in the coastal lagoon at Celestun, State of Yucatan, Mexico. All are new host records, and, even though the geographic locality record of Mexico for the species has not been published, uniden...