Red coloration of male northern cardinals correlates with mate quality and territory quality

Research output: Contribution to journalArticle

68 Citations (Scopus)

Abstract

I investigated how mate quality and territory quality influence an extravagant ornament in a socially monogamous species that defends multipurpose territories. Northern cardinals (Cardinalis cardinalis) are a highly dichromatic, socially monogamous species, and males are a brilliant red. I conducted a 3-year field study of northern cardinals and found that redder males produced more offspring in a breeding season. Two selective factors mediated this fitness gain. Redder males were paired with earlier breeding females, an established measure of mate quality in birds. Second, redder males obtained territories of higher quality, as measured by vegetation density. Interactions among these factors were also important in explaining variance in male reproductive success. Multivariate analysis indicated that earlier breeding increased reproductive success independent of territory quality. In turn, territory quality contributed to male reproductive success through its effect on nest survival and possibly through its role in attracting an earlier breeding female.

Original languageEnglish (US)
Pages (from-to)80-90
Number of pages11
JournalBehavioral Ecology
Volume10
Issue number1
StatePublished - Jan 1 1999

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Breeding
color
reproductive success
breeding
multivariate analysis
breeding season
Birds
nest
fitness
Multivariate Analysis
nests
bird
vegetation
birds

Keywords

  • Cardinalis cardinalis
  • Laying date
  • Mate quality
  • Ornament
  • Plumage coloration
  • Reproductive success
  • Territory quality

ASJC Scopus subject areas

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

Cite this

Red coloration of male northern cardinals correlates with mate quality and territory quality. / Wolfenbarger, Lillian LaReesa.

In: Behavioral Ecology, Vol. 10, No. 1, 01.01.1999, p. 80-90.

Research output: Contribution to journalArticle

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