Data from: Genetic basis for red coloration in birds

Ricardo J Lopes, James D Johnson, Matthew B Toomey, Mafalda S Ferreira, Pedro M Araújo, José Melo-Ferreira, Leif Andersson, Geoffrey E Hill, Joseph C Corbo & Miguel Carneiro
The yellow and red feather pigmentation of many bird species [1] plays pivotal roles in social signaling and mate choice [2, 3]. To produce red pigments, birds ingest yellow carotenoids and endogenously convert them into red ketocarotenoids via an oxidation reaction catalyzed by a previously unknown ketolase [4–6]. We investigated the genetic basis for red coloration in birds using whole-genome sequencing of red siskins (Spinus cucullata), common canaries (Serinus canaria), and ‘‘red factor’’ canaries, which...
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