| mercury concentrations in birds from two atmospherically contaminated sites in north texas, usa. | mercury (hg) is a ubiquitous and highly toxic contaminant that can have negative effects on wildlife. only a few studies have measured hg concentrations in birds from the south central united states, and the potential threat of hg contamination to birds in this region is largely unknown. in the present study, we assess hg concentrations in blood and feathers from five bird species [eastern bluebird (sialis sialis), carolina wren (thryothorus ludovicianus), wood duck (aix sponsa), great egret (ar ... | 2015 | 26137900 |