Do savannah sparrows commit the concorde fallacy?

Research output: Contribution to journalArticlepeer-review

Abstract

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. 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. 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.

Original languageEnglish (US)
Pages (from-to)373-381
Number of pages9
JournalBehavioral Ecology and Sociobiology
Volume5
Issue number4
DOIs
StatePublished - Dec 1 1979
Externally publishedYes

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Animal Science and Zoology

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