ArticleScience advances2020
Cassowary gloss and a novel form of structural color in birds.
Article in Science advances, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 16 citations in OpenAlex.
- Transitions between colour mechanisms affect speciation dynamics and range distributions of birds.Nature ecology & evolution · 2024Article
- Genetic Basis and Evolution of Structural Color Polymorphism in an Australian Songbird.Molecular biology and evolution · 2024Article
- Wrinkle nanostructures generate a novel form of blue structural color in great argus flight feathers.iScience · 2023Article
- Making region-specific integumentary organs in birds: evolution and modifications.Current opinion in genetics & development · 2021Review
- Microstructures amplify carotenoid plumage signals in tanagers.Scientific reports · 2021Article
- The World Coral Conservatory (WCC): A Noah's ark for corals to support survival of reef ecosystems.PLoS biology · 2020Article
- Dazzled by shine: gloss as an antipredator strategy in fast moving prey.Behavioral ecology : official journal of the International Society for Behavioral EcologyArticle
Corrections and comments
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Authors and funding
2 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
One of the two lineages of extant birds resulting from its deepest split, Palaeognathae, has been reported not to exhibit structural coloration in feathers, affecting inferences of ancestral coloration mechanisms in extant birds. Structural coloration in facial skin and eggshells has been shown in this lineage, but has not been reported in feathers. We present the first evidence for two distinct mechanisms of structural color in palaeognath feathers. One extinct volant clade, Lithornithidae, shows evidence of elongate melanin-containing organelles uniquely associated with glossy/iridescent color, a structural color mechanism found in fossil outgroups and neognath birds. We also demonstrate a structural basis for the exceptional gloss in extant cassowary feathers. We propose gloss as an intermediate phenotype between matte and iridescent plumage, conferred by a thick and smooth feather rachis. Rachis-based structural color has not been previously investigated. The new data illuminate the relationships between avian melanin-based coloration and feather structure.
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