Behavioral Ecology and Sociobiology

, Volume 5, Issue 4, pp 373–381

Do savannah sparrows commit the concorde fallacy?

Authors

  • Patrick J. Weatherhead
    • Department of BiologyQueen's University
Article

DOI: 10.1007/BF00292525

Cite this article as:
Weatherhead, P.J. Behav Ecol Sociobiol (1979) 5: 373. doi:10.1007/BF00292525

Summary

  1. 1.

    The nest defense behavior of a tundra population of savannah sparrows (Passerculus sandwichensis) was examined to determine the relative importance of past investment and future prospects in determining the observed patterns.

     
  2. 2.

    A comparison of birds initiating nests at various times of the breeding season indicated that the change in renesting potential within a breeding season had little influence on the birds' behavior.

     
  3. 3.

    For a monomorphic, monogamous passerine the prospective reproductive success for males and females is expected to be quite similar. However, the respective patterns of nest defense behavior differed considerably (Figs. 1 and 2) and most closely reflected past investment. These results are discussed in light of parental investment theory.

     
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Copyright information

© Springer-Verlag 1979