| use of feathers of feral pigeons (columba livia) as a technique for metal quantification and environmental monitoring. | this study quantifies metal concentrations in washed and unwashed feathers of feral pigeons (columba livia). the material was collected in two different sites: goiânia (capital of goiás state), with high anthropic activities, and jataí (a city in goiás), with low anthropic activities. results revealed that metals such as pb, cr, and cd were deposited in the feathers originating from air and soil (exogenous process). other metals such as cu, fe, mn, and zn, which are part of the tissue constituti ... | 2010 | 20981568 |