Abstract
Concentrations of V, Cr, Mn, Co, Cu, Zn, Se, Rb, Sr, Mo, Ag, Cd, Sb, Cs, Ba, Hg, Tl, and Pb were determined in the liver of 9 species of waders including migratory and resident collected from north Vietnam, south India, and the Philippines. Renal Cd concentrations were also determined. Most elements showed no significant differences between genders and among localities. Concentrations of almost all the elements in birds, except for Cr and Se in the kentish plover from Vietnam, were found to be decreased or less varied during the wintering season. Toxic element levels in waders were dependent on the migration distance. Pb levels in dunlins from Vietnam and Cd levels in pintail snipe from Philippines seemed to be in toxicologically critical on their health condition.
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