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Frane Babarovic on Muck Rack

Frane Babarovic

As seen in: BioRxiv
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Articles

Historical contingency influences the diversity of feather nanostructures in cuckoos

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By Klara K Nordén, Christopher R. Cooney, Frane Babarovic, Mary Caswell Stoddard
| BioRxiv
Abstract Structural coloration is widespread in animals, yet we know relatively little about its evolution and development. While previous studies have explored adaptive functions of structural color, a key gap is our lack of understanding of how historical contingency (path-dependency of biological processes) influences the loss and gain of this complex trait.
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The mechanistic basis of evolutionary transitions between grey, slate, and blue colour in Tanagers (Thraupidae)

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By Frane Babarovic, Christopher R. Cooney, Thomas Zinn, Szymon M. Drobniak
| BioRxiv
Abstract Both pigmentary and structural colours share many common elements of their feather anatomy, i.e. keratin, air and melanin packed in the melanosomes, despite utilizing different mechanisms of the colour production. This means that evolutionary transitions between pigmentary and structural colours can be achieved through a simple adjustment of these elements.
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Evolutionary dynamics of pigmentary grey and non- iridescent structural blue colouration in Tanagers (family: Thraupidae)

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By Christopher R. Cooney, Thomas Guillerme, Frane Babarovic, Nicola J Nadeau
| BioRxiv
Abstract Birds are one of the most colourful animal groups in the world and there are multiple ways by which they achieve this feature. Mechanisms of colour production range from pigmentary (pigment deposition) to structural (nanostructural arrangements), or the combination of both. Despite the huge breadth of colour gamut, the basic components of feathers are shared across all of them (keratin, air and presence of pigments in accordance with the colour produced).
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