https://catalogue-scientifique.canada.ca/record=3686099~S6*frc
Rechercher Pettit, Karen E; Rechercher Weseloh, D. Vaughn; Rechercher Bishop, Christine Annette; Rechercher Norstrom, R. J
Canadian Wildlife Service, 1994
"During 1989-1992, Canadian wildlife Service (Ontario) collected a total of 1495 eggs from fish-eating colonial birds from 50 colonies throughout the Great...
Publication gouvernementale