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Mercury in Wetland Birds of Iran and Iraq: Contrasting Resident Moorhen, Gallinula chloropus, and Migratory Common Teal, Anas crecca, Life Strategies


We document mercury distribution in tissues of two waterfowls; moorhen (Gallinula chloropus; n = 6), and Common Teal (Anas crecca; n = 6) from Shadegan wetlands in Southwestern Iran. Mean value of mercury in moorhen liver was (0.36 Hg μg g−1 dry weight), Common Teal had (4.34 Hg μg g−1 dry weight) mercury. In all tissues, Common Teals had significantly higher mercury concentrations than moorhens (U test, p ≤ 0.05). Mercury was 12, 9, 8, and 6 times higher in liver, muscle, kidney, and feather of Common Teals. These birds have comparable diets but Common Teals are migratory and moorhens are residents of Shadegan wetlands.

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Many thanks to Morteza Davodi, Alireza Nikvarz, Mostafa Alahverdi, and Mehdi Hosseini for field assistance and Mr. Hossein Pasha-Zanoosi for help with statistical analysis. This work was funded by Tarbiat Modares University of Iran.

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Correspondence to Rasool Zamani-Ahmadmahmoodi or Abbas Esmaili-Sari.

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Zamani-Ahmadmahmoodi, R., Esmaili-Sari, A., Ghasempouri, S.M. et al. Mercury in Wetland Birds of Iran and Iraq: Contrasting Resident Moorhen, Gallinula chloropus, and Migratory Common Teal, Anas crecca, Life Strategies. Bull Environ Contam Toxicol 82, 450 (2009).

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  • Mercury
  • Wetlands of Iran
  • Moorhen
  • Common Teal