Dieldrin-induced mortality in an endangered species, the gray bat (Myotis grisescens)

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Abstract

Brains of juvenile gray bats, Myotis grisescens, found dead beneath maternity roosts in two Missouri caves contained lethal concentrations of dieldrin. One colony appeared to be abnormally small, and more dead bats were found a year after the juvenile bats had been collected. This is the first report to link the field mortality of bats directly to insecticide residues acquired through the food chain.

Suggested Citation

Clark, D.R., LaVal, R.K., and Swineford, D.M., 1978, Dieldrin-induced mortality in an endangered species, the gray bat (Myotis grisescens): Science, v. 199, no. 4335, p. 1357-1359, https://doi.org/10.1126/science.564550.

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Publication type Article
Publication Subtype Journal Article
Title Dieldrin-induced mortality in an endangered species, the gray bat (Myotis grisescens)
Series title Science
DOI 10.1126/science.564550
Volume 199
Issue 4335
Year Published 1978
Language English
Publisher American Association for the Advancement of Science
Contributing office(s) Patuxent Wildlife Research Center
Description 3 p.
First page 1357
Last page 1359
Country United States
State Missouri
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