| organic and total mercury in muscle tissue of five aquatic birds with different feeding habits from the se gulf of california, mexico. | we measured organic and total hg in muscle tissue of five species of aquatic birds from the south-eastern gulf of california region, mexico. concentrations of total and organic hg measured in pelecanus occidentalis were the highest (2.85 and 2.68 microgg(-1)); lowest values of organic hg (0.20 microgg(-1)) and total hg (0.47 microgg(-1)) were detected in anas discors and anas clypeata, respectively. differences of hg levels were related to feeding habits, being concentrations in birds of piscivo ... | 2009 | 19419748 |