| mercury in breeding saltmarsh sparrows (ammodramus caudacutus caudacutus). | environmental mercury exposure of birds through atmospheric deposition and watershed point-source contamination is an issue of increasing concern globally. the saltmarsh sparrow (ammodramus caudacutus) is of high conservation concern throughout its range and the potential threat of mercury exposure adds to other anthropogenic stressors, including sea level rise. to assess methylmercury exposure we sampled blood of the northern nominal subspecies of saltmarsh sparrows (a. c. caudacutus) nesting i ... | 2011 | 21792662 |