Virgins in the vanguard

low reproductive frequency in invasion-front cane toads

Cameron M. Hudson, Benjamin L. Phillips, Gregory P. Brown, Richard Shine*

*Corresponding author for this work

Research output: Contribution to journalArticle

30 Citations (Scopus)


The rapid evolution of increased dispersal rate during a population's range expansion provides a unique opportunity to detect trade-offs between dispersal and reproduction. If a high reproductive rate slows down an individual's dispersal, vanguard individuals should exhibit a lower reproductive output than conspecifics from long-colonized areas. In the present study, we demonstrate a reduction in reproductive rate in highly dispersive invasion-front populations of cane toads in tropical Australia.

Original languageEnglish
Pages (from-to)743-747
Number of pages5
JournalBiological Journal of the Linnean Society
Issue number4
Publication statusPublished - Dec 2015
Externally publishedYes


  • alien species
  • anuran
  • Bufo marinus
  • invader
  • life history
  • reproductive output
  • trade-off

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