Sula bassanus

In another study, on Bonaventura Island, Quebec, Canada, during the 1960s and early 1970s, gannets (Sula bassanus) showed a sharp population decline that was associated with poor breeding success. In 1969, there was clear evidence of severe... 

Elliott, J.E., Norstrom, R.J., and Keith, J.A. (1988). Organochlorines and eggshell thinning in Northern gannets Sula bassanus) from Keith, Eastern Canada. Environmental Pollution 52, 81-102. 

Northern gannet, Sula bassanus eastern Canada ... 

Elliott, J.E., R.J. Norstrom, and J.A. Keith. 1988. Organochlorines and eggshell thinning in northern gannets (Sula bassanus) from eastern Canada, 1968-1984. Environ. Pollut. 52 81-102. 

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