Reports

Bat mortality: pesticide poisoning and migratory stress

Science  08 Oct 1976:
Vol. 194, Issue 4261, pp. 184-186
DOI: 10.1126/science.959845

Abstract

Organochlorine residues in the fat of young Mexican free-tailed bats, Tadarida brasiliensis, reached the brain and caused symptoms of poisoning after the fat mobilization that takes place during migratory flight was simulated. These chemical body burdens were obtained naturally under free-living conditions at the maternity roost. The data obtained support the hypothesis that pesticides have contributed to recent declines in populations of this bat.

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