Estimating ancestral states of a communicative display: a comparative study of Cyclura rock iguanas

Animal Behaviour
E P Martins, J Lamont

Abstract

In this study we describe the signature headbob displays of seven of the eight extant species of Cyclura iguanas using data collected from the field and from captive animals. We used phylogenetic comparative methods to estimate the ancestral states of several measures of the headbob displays, including number of headbobs and the duration of headbobs and inter-bob pauses. Divergence in the headbob display among species has been substantial, with some major changes occurring within only a few (about six) generations. Otherwise, results are consistent with those obtained previously for other lizards which suggest that there is an evolutionary limit on the total duration of headbob displays. Differences in the results obtained using different phylogenetic methods suggest that although estimates of ancestral states are reasonably robust to violations of evolutionary assumptions, we cannot determine the standard errors of those ancestral phenotypes accurately without more detailed information about the types of forces (e.g. selection, drift) underlying evolutionary change in these traits. In particular, within-species variation had a substantial impact on the standard errors of estimated ancestral states, and should be included in su...Continue Reading

Citations

May 9, 2014·Integrative and Comparative Biology·Richard W BlobK Megan Sheffield
Jun 5, 2003·Evolution; International Journal of Organic Evolution·Simon P BlombergAnthony R Ives
Jan 19, 2012·PloS One·Eric N RittmeyerChristopher C Austin
Sep 25, 2014·PloS One·Phil SenterDanielle L Kent
Jun 17, 2010·PloS One·Jason M Kamilar, Kathleen M Muldoon
May 29, 2016·Journal of Theoretical Biology·Manuela Royer-Carenzi, Gilles Didier
Jun 18, 2017·Journal of Theoretical Biology·Krzysztof BartoszekMartin Lascoux
Apr 28, 2007·Systematic Biology·Anthony R IvesTheodore Garland
Apr 26, 2001·Proceedings. Biological Sciences·T J OrdC S Evans
Jun 6, 2006·Journal of Morphology·Richard W Blob, Jason M Snelgrove
Dec 7, 2018·The Journal of Animal Ecology·Alison C WebbSusannah S French
Aug 6, 2005·The Journal of Experimental Biology·Theodore GarlandEnrico L Rezende

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