| causes of morbidity and mortality and their effect on reproductive success in double-crested cormorants from saskatchewan. | the objectives of this study were to describe causes of morbidity and mortality in a breeding colony of double-crested cormorants (phalacrocorax auritus) on doré lake (saskatchewan, canada), and to determine cause-specific mortality rates of juvenile birds. morbidity and mortality were monitored every third day during the breeding season from 1994 to 1996 from inside a tunnel-and-blind system. affected eggs and birds were collected for examination and diagnosis. the cause of mortality was determ ... | 1999 | 10231760 |