Local temperature and not latitude determines the design of Blue Tit and Great Tit nests

D. Charles Deeming*, Mark C. Mainwaring, Ian R. Hartley, S. James Reynolds

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

68 Citations (Scopus)

Abstract

Recent studies are documenting the extent to which the mass and construction of bird nests varies between individuals and locations. In the Blue Tit (Cyanistes caeruleus) and Great Tit (Parus major), temperatures experienced by females during nest construction are inversely related to nest mass. Moreover, Mainwaring et al. (Journal of Biogeography, 2012) showed that nests constructed at high latitude are heavier and better insulated than nests built by conspecifics in the south. Although mean spring temperature was used as a proxy for latitude in the Mainwaring et al. study, it remains untested whether individual birds build nests in response to a narrower range of temperatures experienced at the start of the breeding season. Our study showed that irrespective of latitude nest mass, and in particular nest cup mass, of Blue Tits and Great Tits was significantly affected by the temperature experienced by the birds for the seven days preceding clutch initiation. Similar results were seen with the insulatory properties of nests. The potential impact of variation in nest construction and insulation on subsequent incubation and chick-rearing behaviour is discussed.

Original languageEnglish
Pages (from-to)203-208
Number of pages6
JournalAvian Biology Research
Volume5
Issue number4
DOIs
Publication statusPublished - Dec 2012

Keywords

  • Breeding success
  • Cyanistes caeruleus
  • Insulation quality
  • Latitude
  • Nest design
  • Parus major
  • Spring temperature

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