Like mother, like daughter

inheritance of nest-site location in snakes

Gregory P. Brown, Richard Shine*

*Corresponding author for this work

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

A trait can be passed from parents to offspring even if it has no genetic basis. For example, if daughters return to reproduce at the same sites where they were hatched themselves, nest-site location is consistent within matrilineages. Most cases of natal homing (nest-site philopatry) across generations have been inferred from molecular evidence rather than directly demonstrated, and involve species with low dispersal abilities. However, some animals disperse long distances but then return to their own place of birth to reproduce, based on cues imprinted early in their own development. Our field studies on tropical natricine snakes (Tropidonophis mairii, Colubridae) show that when they are ready to nest, females return to the sites where their mothers were captured pre-nesting, and where they themselves were released as hatchlings.

Original languageEnglish
Pages (from-to)131-133
Number of pages3
JournalBiology Letters
Volume3
Issue number2
DOIs
Publication statusPublished - 6 Feb 2007
Externally publishedYes

Keywords

  • heritability
  • nesting
  • philopatry
  • reptile

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