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Disagreements on Why Brown Pelican Eggs are Thin

Abstract

I FIND four points of disagreement with the proposal of Blus et al.1,2 that DDE is the probable cause of thin eggshells in brown pelicans.

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References

  1. Blus, L. J., Gish, C. D., Belisle, A. A., and Prouty, R. M., Nature, 235, 376 (1972).

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  2. Blus, L. J., Heath, R. G., Gish, C. D., Belisle, A. A., and Prouty, R. M., Bio-Science, 21 (24), 1213 (1971).

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  3. Risebrough, R. J., Cross-examination at Public Hearing on DDT, Washington, DC, transcript pages 8473–75 (Jan. 7, 1972).

  4. Risebrough, R. W., Sibley, F. C., and Kirven, M. N., American Birds, 25 (1), 8 (1971).

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  5. Keith, J. O., Woods, L. A., and Hunt, E. G., Trans. North American Wildlife Conference, 35, 56 (1970).

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  6. Lathrop, R. G., Introduction to Psychological Research (Harper and Row, London, 1969).

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  7. Risebrough, R. W., 6th Berkeley Symposium on Mathematical Statistics and Probability, MS as exhibit Int. EDF 29 at Public Hearing on DDT, Washington, DC (in the press).

  8. Cade, T. J., Lincer, J. L., White, C. M., Roseneau, D. G., and Swarts, L. G., Science, 172, 955 (1971).

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HAZELTINE, W. Disagreements on Why Brown Pelican Eggs are Thin. Nature 239, 410–411 (1972). https://doi.org/10.1038/239410a0

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