title: DDE thins screech owl eggshells.
mesh_terms: D000818:Animals; D001717:Birds; D001947:Breeding; D004032:Diet; D004531:Eggs; D005260:Female; D006846:Hydrocarbons, Halogenated / Q000494:pharmacology / Q000633:toxicity; D007306:Insecticides / Q000494:pharmacology / Q000633:toxicity*; D012098:Reproduction / Q000187:drug effects
chemical_list: D006846:Hydrocarbons, Halogenated; D007306:Insecticides