| mercury risk to avian piscivores across western united states and canada. | the widespread distribution of mercury (hg) threatens wildlife health, particularly piscivorous birds. western north america is a diverse region that provides critical habitat to many piscivorous bird species, and also has a well-documented history of mercury contamination from legacy mining and atmospheric deposition. the diversity of landscapes in the west limits the distribution of avian piscivore species, complicating broad comparisons across the region. mercury risk to avian piscivores was ... | 2016 | 26996522 |