Tracking pan-continental trends in environmental contamination using sentinel raptors-what types of samples should we use?

First, there may be significant temporal displacement between feather growth (and associated deposition of pollutant in the feather) and collection of internal tissues, during which time post feather-growth changes in diet and/or fat mobilization may alter internal tissue contaminant concentrations (García-Fernández et al. 2013a ; Eulaers et al. 2014b ).

also in 13,097 other papers