| organochlorine pesticides in the ferruginous pygmy owl (glaucidium brasilianum) in chiapas, mexico. | concentrations of organochlorine pesticides were quantified in samples of feathers (n = 17) and blood (n = 15) of the ferruginous pygmy owl (glaucidium brasilianum). the individuals were captured near the protected natural area cerro sonsonate, chiapas, mexico, between february and june 2014. in both tissues, pesticides belonging to seven organochlorine chemical families were detected. however, the organochlorine pesticide concentrations differed between feathers and blood. the highest concentra ... | 2016 | 27377751 |