Insecticides in the Big Bend National Park.
D000818:Animals; D000835:Animals, Wild; D001717:Birds; D003634:DDT / Q000032:analysis; D004784:Environmental Monitoring; D007306:Insecticides / Q000032:analysis*; D008116:Lizards; D008294:Malathion / Q000032:analysis; D008743:Methyl Parathion / Q000032:analysis; D009132:Muscles / Q000032:analysis; D010278:Parathion / Q000032:analysis; D010573:Pesticide Residues / Q000032:analysis; D012377:Rodentia