Coevolution of male and female genital morphology in waterfowl. PLoS One. 2:e418.. 2007.
Genetic evidence support song learning in the three-wattled bellbird Procnias tricarunculata (Cotingidae). Molecular Ecology. 16:3689-3702.. 2007.
A molecular phylogeny of the cotingas (Aves: Cotingidae). Molecular Phylogenetics and Evolution. 42:25-37.. 2007.
Anatomically diverse butterfly scales all produce structural colours by coherent scattering. Journal of Experimental Biology. 209:749-765.. 2006.
Anatomy, physics, and evolution of avian structural colors. Bird Coloration, Volume 1 Mechanisms and Measurements. 1:295-353.. 2006.
Higher-level phylogeny and morphological evolution of tyrant flycatchers, cotingas, manakins, and their allies (Aves: Tyrannida). Molecular Phylogenetics and Evolution. 40:471-483.. 2006.
Phylogeny and evolutionary history of the Old World suboscine birds (Aves: Eurylaimides). American Museum Novitates. 3544:1-22.. 2006.
Courting bird sings with stridulating wing feathers. Science. (309). 2005.
Evolution of the morphological innovations of feathers. Journal of Experimental Zoology Part B-Molecular and Developmental Evolution. 304B:570-579.. 2005.
Molecular evidence for activator-inhibitor mechanism in development of embryonic feather branching. Proceedings of the National Academy of Sciences USAProceedings of the National Academy of Sciences USA. 102:11734-11739.. 2005.
Blue integumentary structural colours of dragonflies (Odonata) are not produced by incoherent Tyndall scattering. Journal of Experimental BiologyJournal of Experimental Biology. 207:3999-4009.. 2004.
Structural colouration of mammalian skin: convergent evolution of coherently scattering dermal collagen arrays. Journal of Experimental BiologyJournal of Experimental Biology. 207:2157-2172.. 2004.
Are current critiques of the theropod origin of birds science? Rebuttal to Feduccia (2002) AukAuk. 120:550-561.. 2003.
Coherent scattering of ultraviolet light by avian feather barbs. AukAuk. 120:163-170.. 2003.
Dinosaurs take to the air. NatureNature. 424:323-324.. 2003.
A Fourier tool for the analysis of coherent light scattering by bio-optical nanostructures. Integrative and Comparative BiologyIntegrative and Comparative Biology. 43:591-602.. 2003.
A hierarchical model of plumage: morphology, development, and evolution. Journal of Experimental Zoology (Molecular and Developmental Evolution)Journal of Experimental Zoology (Molecular and Developmental Evolution). 298B. 2003.
High-speed video analysis of wing-snapping in two manakin clades (Pipridae: Aves). Journal of Experimental BiologyJournal of Experimental Biology. 206:3693-3706.. 2003.
New records of birds from the summit of Cerro Guaiquinima, Estado Bolivar, Venezuela.. Bulletin of the British Ornithologists’ Club Bulletin of the British Ornithologists’ Club. 123:78-90.. 2003.
The Origin and Evolution of Feathers. Scientific American. (March 2003). 2003.
Philepittinae. The Natural History of Madagascar.. 2003.
Structural colouration of avian skin: convergent evolution of coherently scattering dermal collagen arrays. Journal of Experimental BiologyJournal of Experimental Biology. 206:2409-2429.. 2003.
Which came first, the feather or the bird? Scientific AmericanScientific American. March 2003:60-69.. 2003.
The evolutionary origin and diversification of feathers. Quarterly Review of BiologyQuarterly Review of Biology. 77:261-295.. 2002.
Reaction-diffusion models of within feather pigmentation patterning. Proceedings of the Royal Society of London BProceedings of the Royal Society of London B. 269:781-792.. 2002.