Jetz, W., Thomas, G., Joy, J., Hartmann, K. & Mooers, A. The global diversity of birds in space and time. Nature 491, 444–448 (2012).
Cooney, C. R. et al. Mega-evolutionary dynamics of the adaptive radiation of birds. Nature 542, 344–347 (2017).
Burns, K. J., Hackett, S. J. & Klein, N. K. Phylogenetic relationships and morphological diversity in Darwin’s finches and their relatives. Evolution 56, 1240–1252 (2002).
Arbogast, B. S. et al. The origin and diversification of Galapagos mockingbirds. Evolution 60, 370–382 (2006).
Lovette, I. J., Bermingham, E. & Ricklefs, R. E. Clade-specific morphological diversification and adaptive radiation in Hawaiian songbirds. Proc. R. Soc. Lond. B 269, 37–42 (2002).
Pratt, H. D. & Conant, S. The Hawaiian Honeycreepers: Drepanidinae (Oxford Univ. Press, 2005).
Tokita, M., Yano, W., James, H. F. & Abzhanov, A. Cranial shape evolution in adaptive radiations of birds: comparative morphometrics of Darwin’s finches and Hawaiian honeycreepers. Phil. Trans. R. Soc. B 372, 20150481 (2017).
Darwin, C. The Zoology of the Voyage of HMS Beagle: Under the Command of Captain Fitzroy, RN, During the Years 1832 to 1836: Published with the Approval of the Lords Commissioners of Her Majesty’s Treasury (Smith, Elder and Company, 1839).
Mayr, E. The zoogeographic position of the Hawaiian Islands. Condor 45, 45–48 (1943).
Fleischer, R. C., James, H. F. & Olson, S. L. Convergent evolution of Hawaiian and Australo-Pacific honeyeaters from distant songbird ancestors. Curr. Biol. 18, 1927–1931 (2008).
Bright, J. A., Marugán-Lobón, J., Cobb, S. N. & Rayfield, E. J. The shapes of bird beaks are highly controlled by nondietary factors. Proc. Natl Acad. Sci.USA 113, 5352–5357 (2016).
Abzhanov, A. The old and new faces of morphology: the legacy of D’Arcy Thompson’s ‘theory of transformations’ and ‘laws of growth’. Development 144, 4284–4297 (2017).
Goswami, A., Smaers, J., Soligo, C. & Polly, P. The macroevolutionary consequences of phenotypic integration: from development to deep time. Phil. Trans. R. Soc. B 369, 20130254 (2014).
Klingenberg, C. P. Studying morphological integration and modularity at multiple levels: concepts and analysis. Phil. Trans. R. Soc. B 369, 20130249 (2014).
Felice, R. N., Randau, M. & Goswami, A. A fly in a tube: macroevolutionary expectations for integrated phenotypes. Evolution 72, 2580–2594 (2018).
Olson, E. C. & Miller, R. L. Morphological Integration (Univ. Chicago Press, 1999).
Villmoare, B. Morphological integration, evolutionary constraints, and extinction: a computer simulation-based study. Evol. Biol. 40, 76–83 (2013).
Fisher, R. A. The Genetic Theory of Natural Selection (Dover, 1958).
Kirschner, M. & Gerhart, J. Evolvability. Proc. Natl Acad. Sci. USA 95, 8420–8427 (1998).
Wagner, G. P. & Altenberg, L. Perspective: complex adaptations and the evolution of evolvability. Evolution 50, 967–976 (1996).
Raff, R. A. The Shape of Life: Genes, Development, and the Evolution of Animal Form (Univ. Chicago Press, 2012).
Wagner, G. Coevolution of functionally constrained characters: prerequisites for adaptive versatility. Biosystems 17, 51–55 (1984).
Marroig, G. & Cheverud, J. M. Size as a line of least evolutionary resistance: diet and adaptive morphological radiation in New World monkeys. Evolution 59, 1128–1142 (2005).
Hansen, T. F. Is modularity necessary for evolvability? Remarks on the relationship between pleiotropy and evolvability. Biosystems 69, 83–94 (2003).
Felice, R. N. & Goswami, A. Developmental origins of mosaic evolution in the avian cranium. Proc. Natl Acad. Sci. USA 115, 555–560 (2018).
Bright, J. A., Marugán-Lobón, J., Rayfield, E. J. & Cobb, S. N. The multifactorial nature of beak and skull shape evolution in parrots and cockatoos (Psittaciformes). BMC Evol. Biol. 19, 104 (2019).
Hackett, S. J. et al. A phylogenomic study of birds reveals their evolutionary history. Science 320, 1763–1768 (2008).
Jarvis, E. D. et al. Whole-genome analyses resolve early branches in the tree of life of modern birds. Science 346, 1320–1331 (2014).
Prum, R. O. et al. A comprehensive phylogeny of birds (Aves) using targeted next-generation DNA sequencing. Nature 526, 569–573 (2015).
Gibbs, H. L. & Grant, P. R. Oscillating selection on Darwin’s finches. Nature 327, 511–513 (1987).
Grant, P. R. & Grant, B. R. Evolution of character displacement in Darwin’s finches. Science 313, 224–226 (2006).
Smith, T. B., Freed, L. A., Lepson, J. K. & Carothers, J. H. Evolutionary consequences of extinctions in populations of a Hawaiian honeycreeper. Conserv. Biol. 9, 107–113 (1995).
Darwin, C. & Wallace, A. On the tendency of species to form varieties; and on the perpetuation of varieties and species by natural means of selection. Zool. J. Linn. Soc. 3, 45–62 (1858).
Klingenberg, C. P. Cranial integration and modularity: insights into evolution and development from morphometric data. Hystrix 24, 43–58 (2013).
Schluter, D. Adaptive radiation along genetic lines of least resistance. Evolution 50, 1766–1774 (1996).
Randau, M. & Goswami, A. Unravelling intravertebral integration, modularity and disparity in Felidae (Mammalia). Evol. Dev. 19, 85–95 (2017).
Losos, J. B. & Ricklefs, R. E. Adaptation and diversification on islands. Nature 457, 830–836 (2009).
Wright, N. A., Steadman, D. W. & Witt, C. C. Predictable evolution toward flightlessness in volant island birds. Proc. Natl Acad. Sci. USA 113, 4765–4770 (2016).
van der Geer, A. A., Lyras, G. A., Mitteroecker, P. & MacPhee, R. D. From Jumbo to Dumbo: cranial shape changes in elephants and hippos during phyletic dwarfing. Evol. Biol. 45, 303–317 (2018).
Grant, B. R. & Grant, P. R. Evolution of Darwin’s finches caused by a rare climatic event. Proc. R. Soc. Lond. B 251, 111–117 (1993).
Fritz, J. A. et al. Shared developmental programme strongly constrains beak shape diversity in songbirds. Nat. Commun. 5, 3700 (2014).
Yuri, T. et al. Parsimony and model-based analyses of indels in avian nuclear genes reveal congruent and incongruent phylogenetic signals. Biology 2, 419–444 (2013).
Del Hoyo, J. et al. Handbook of the Birds of the World Alive (Lynx Editions, 2017).
Rambaut, A. & Drummond, A. TreeAnnotator v1.7.0 (2013); http://beast.community/treeannotator.html
Rohlf, F. tpsDig v.2.10 (Department of Ecology and Evolution, State Univ. New York at Stony Brook, 2006).
Rohlf, F. tpsRelw, relative warps analysis (Department of Ecology and Evolution, State Univ. New York at Stony Brook, 2010).
Perez, S. I., Bernal, V. & Gonzalez, P. N. Differences between sliding semi-landmark methods in geometric morphometrics, with an application to human craniofacial and dental variation. J. Anat. 208, 769–784 (2006).
Torcida, S., Perez, S. I. & Gonzalez, P. N. An integrated approach for landmark-based resistant shape analysis in 3D. Evol. Biol. 41, 351–366 (2014).
Klingenberg, C. MorphoJ: an integrated software package for geometric morphometrics. Mol. Ecol. Resour. 11, 353–357 (2011).
R Core Team R: A Language and Environment for Statistical Computing (R Foundation for Statistical Computing, 2017); http://www.R-project.org/
Pagel, M. & Meade, A. BayesTraits v.2.0 (Univ. Reading, 2013).
Venditti, C., Meade, A. & Pagel, M. Multiple routes to mammalian diversity. Nature 479, 393–396 (2011).
Adams, D. C. & Collyer, M. L. Multivariate phylogenetic comparative methods: evaluations, comparisons, and recommendations. Syst. Biol. 67, 14–31 (2017).
Adams, D. C. & Felice, R. N. Assessing trait covariation and morphological integration on phylogenies using evolutionary covariance matrices. PLoS ONE 9, e94335 (2014).
Rohlf, F. J. & Corti, M. Use of two-block partial least-squares to study covariation in shape. Syst. Biol. 49, 740–753 (2000).
Rohlf, F. J. & Slice, D. Extensions of the Procrustes method for the optimal superimposition of landmarks. Syst. Biol. 39, 40–59 (1990).
Bookstein, F. L. in Advances in Morphometrics. NATO ASI Series (Series A: Life Sciences) Vol. 284 (eds Marcus, L. F. et al.) 131–151 (Springer, 1996).
Dryden, I. & Mardia, K. Statistical Analysis of Shape (Wiley, 1998).
Siegel, A. F. & Benson, R. H. A robust comparison of biological shapes. Biometrics 38, 341–350 (1982).
Cardini, A. Integration and modularity in Procrustes shape data: is there a risk of spurious results? Evol. Biol. 46, 90–105 (2018).
Chapman, R. E. Conventional procrustes approaches. In Proc. of the Michigan Morphometrics Workshop Vol. 2 (eds Rohlf, F. J. & Bookstein, F.) 251–267 (Univ. Michigan Museum of Zoology, 1990).
Zelditch, M. L., Swiderski, D. L. & Sheets, H. D. Geometric Morphometrics for Biologists: A Primer (Academic, 2012).
Klingenberg, C. P. & McIntyre, G. S. Geometric morphometrics of developmental instability: analyzing patterns of fluctuating asymmetry with Procrustes methods. Evolution 52, 1363–1375 (1998).
Bookstein, F. L. in Image Fusion and Shape Variability Techniques: Proceedings (eds Gill, C. A. & Mardia, K. V.) 59–70 (Leeds University Press, 1996).
Adams, D. C., Rohlf, F. J. & Slice, D. E. A field comes of age: geometric morphometrics in the 21st century. Hystrix 24, 7–14 (2013).
Adams, D. C., Rohlf, F. J. & Slice, D. E. Geometric morphometrics: ten years of progress following the ‘revolution’. Ital. J. Zool. 71, 5–16 (2004).
Adams, D. C., Collyer, M. L. & Kaliontzopoulou, A. Geomorph: software for geometric morphometric analyses. R package version 3.0.7 (2018); https://cran.r-project.org/package=geomorph
Zelditch, M. L., Ye, J., Mitchell, J. S. & Swiderski, D. L. Rare ecomorphological convergence on a complex adaptive landscape: body size and diet mediate evolution of jaw shape in squirrels (Sciuridae). Evolution 71, 633–649 (2017).
Uyeda, J. C., Caetano, D. S. & Pennell, M. W. Comparative analysis of principal components can be misleading. Syst. Biol. 64, 677–689 (2015).
Chira, A. M. & Thomas, G. H. The impact of rate heterogeneity on inference of phylogenetic models of trait evolution. J. Evol. Biol. 29, 2502–2518 (2016).
Monteiro, L. R. Morphometrics and the comparative method: studying the evolution of biological shape. Hystrix 24, 25–32 (2013).
Adams, D. C. & Collyer, M. L. On the comparison of the strength of morphological integration across morphometric datasets. Evolution 70, 2623–2631 (2016).
Mitteroecker, P. & Bookstein, F. The conceptual and statistical relationship between modularity and morphological integration. Syst. Biol. 56, 818–836 (2007).
Marroig, G., Shirai, L. T., Porto, A., de Oliveira, F. B. & De Conto, V. The evolution of modularity in the mammalian skull II: evolutionary consequences. Evol. Biol. 36, 136–148 (2009).
Renaud, S., Auffray, J. C. & Michaux, J. Conserved phenotypic variation patterns, evolution along lines of least resistance, and departure due to selection in fossil rodents. Evolution 60, 1701–1717 (2006).
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