Appendix S1

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24.  Reglero, M.M., Taggart M.A., Monsalve-González L., Mateo R. 2009. Heavy metal exposure in large game from a lead mining area: Effects on oxidative stress and fatty acid composition in liver. Environ. Poll. 157, 1388–1395.

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27.  Rossner Jr.P., Svecova V., Milcova A., Lnenickova Z., Solansky I., Sram R.J. 2008. Seasonal variability of oxidative stress markers in city bus drivers Part II. Oxidative damage to lipids and proteins Mutat. Res. 642, 21–27.

28.  Sánchez-Chardi A., Marques C.C. Gabriel S.I. Capela-Silva F., Cabrita A.S., López-Fuster M.J., Nadal J., Mathias M.L. 2008. Haematology, genotoxicity, enzymatic activity and histopathology as biomarkers of metal pollution in the shrew Crocidura russula. Environ. Poll. 156, 1332–1339.

29.  Sillanpää S., Salminen J-P., Lehikoinen E., Toivonen E., Eeva T. 2008. Carotenoids in a food chain along a pollution gradient. Sci. Tot. Environ. 406, 247-255.

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32.  Vanparys C., Dauwe T., van Campenhout K., Bervoets L., De Coen W., Blust R., Eens M. 2008. Metallothioneins (MTs) and δ-aminolevulinic acid dehydratase (ALAd) as biomarkers of metal pollution in great tits (Parus major) along a pollution gradient. Sci. Tot. Environ. 401, 184-193.

33.  Viegas-Crespo A.M., Lopes P.A., Pinheiro M.T., Santos M.C., Rodrigues P.D., Nunes A.C., Marques C., Mathias M.L. 2003. Hepatic elemental contents and antioxidant enzyme activities in Algerian mice (Mus spretus) inhabiting a mine area in central Portugal. Sci. Tot. Environ. 311, 101–109.