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Into the light: diurnality has evolved multiple times in geckos

Gamble, Tony ; Greenbaum, Eli ; Jackman, Todd R. ; Bauer, Aaron M.

Biological journal of the Linnean Society, 2015-08, Vol.115 (4), p.896-910 [Periódico revisado por pares]

Oxford: Blackwell Publishing Ltd

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  • Título:
    Into the light: diurnality has evolved multiple times in geckos
  • Autor: Gamble, Tony ; Greenbaum, Eli ; Jackman, Todd R. ; Bauer, Aaron M.
  • Assuntos: diurnal ; ecology ; Gekkota ; lizard ; nocturnal ; phylogeny ; reptile
  • É parte de: Biological journal of the Linnean Society, 2015-08, Vol.115 (4), p.896-910
  • Notas: ArticleID:BIJ12536
    NSF - No. IOS1146820; No. DEB0515909; No. DEB1019443
    Table S1. Activity patterns of 120 gecko genera representing 1552 species. Cnemaspis is separated into three clades. Definitions: Nocturnal - most activity and foraging occurs at night; Diurnal - most activity and foraging occurs during the day; Cathemeral/Crepuscular - most activity and foraging occurs at twilight and/or during both day and night. Table S2. Details of material examined.
    istex:417E049B3867AAA9A29D0C8DCC479EC62ED3C96D
    ark:/67375/WNG-R0S696D2-D
  • Descrição: Geckos are the only major lizard group consisting mostly of nocturnal species. Nocturnality is presumed to have evolved early in gecko evolution and geckos possess numerous adaptations to functioning in low light and at low temperatures. However, not all gecko species are nocturnal and most diurnal geckos have their own distinct adaptations to living in warmer, sunlit environments. We reconstructed the evolution of gecko activity patterns using a newly generated time‐calibrated phylogeny. Our results provide the first phylogenetic analysis of temporal activity patterns in geckos and confirm an ancient origin of nocturnality at the root of the gecko tree. We identify multiple transitions to diurnality at a variety of evolutionary time scales and transitions back to nocturnality occur in several predominantly diurnal clades. The scenario presented here will be useful in reinterpreting existing hypotheses of how geckos have adapted to varying thermal and light environments. These results can also inform future research of gecko ecology, physiology, morphology and vision as it relates to changes in temporal activity patterns. © 2015 The Linnean Society of London, Biological Journal of the Linnean Society, 2015, ●●, ●●–●●.
  • Editor: Oxford: Blackwell Publishing Ltd
  • Idioma: Inglês

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