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Building a home from foam--túngara frog foam architecture and three-phase construction process nest.pdf

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Building a home from foam--túngara frog foam architecture and three-phase construction process nest

doi: 10.1098/rsbl.2009.0934 , 293-296 first published online 27 January 20106 2010 Biol. Lett. Laura Dalgetty and Malcolm W. Kennedy architecture and three-phase construction process túngara frog foam nest??Building a home from foam Supplementary data ml /content/suppl/2010/01/22/rsbl.2009.0934.DC1.ht Data Supplement References /content/6/3/293.full.html#ref-list-1 This article cites 12 articles, 2 of which can be accessed free Subject collections (169 articles)biomaterials ? (1628 articles)behaviour ? Articles on similar topics can be found in the following collections Email alerting service hereright-hand corner of the article or click Receive free email alerts when new articles cite this article - sign up in the box at the top /subscriptions go to: Biol. Lett.To subscribe to This journal is ? 2010 The Royal Society on November 24, 2010Downloaded from on November 24, 2010Downloaded from Biol. Lett. (2010) 6, 293–296 doi:10.1098/rsbl.2009.0934 Published online 27 January 2010Animal behaviour Building a home from foam—tu?ngara frog foam nest architecture and three-phase construction process Laura Dalgetty and Malcolm W. Kennedy* Ecology and Evolutionary Biology, Faculty of Biomedical and Life Sciences, Graham Kerr Building, University of Glasgow, Glasgow G12 8QQ, Scotland, UK *Author for correspondence (malcolm.kennedy@bio.gla.ac.uk). Frogs that build foam nests floating on water face the problems of over-dispersion of the secretions used and eggs being dangerously exposed at the foam : air interface. Nest construction behaviour of tu?ngara frogs, Engystomops pustulosus, has features that may circumvent these problems. Pairs build nests in periodic bursts of foam pro- duction and egg deposition, three discrete phases being discernible. The first is character- ized by a bubble raft without egg deposition and an approximately linear increase in duration of mixing events with time. This phase may reduce initial over-dispersion of foam precurso