Data from: Introgression between non-sister species of honeyeaters (Aves: Meliphagidae) several million years after speciation
Data files
Sep 11, 2019 version files 33.06 MB
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Gavicalis_sample_info.xlsx
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HOEA.267Z.N55haploid.stru
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HOEA.5667A.N34.stru
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HOEA.Concatenated.FASTA.zip
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HOEA.fasta_files.zip
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HOEA.N34.3767var.spagedi.txt
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Abstract
We reassessed whether two parapatric non-sister Australian honeyeater species (Aves: Meliphagidae), varied and mangrove honeyeaters (Gavicalis versicolor and G. fasciogularis, respectively), that diverged from a common ancestor c. 2.5 Mya intergrade in the Townsville area of north-eastern Queensland. Consistent with a previous specimenbased study, by using genomics methods we show one-way gene flow for autosomal but not Z-linked markers from varied into mangrove honeyeaters. Introgression barely extends south of the area of parapatry in and around the city of Townsville. While demonstrating the long-term porosity of species boundaries over several million years, our data also suggest a clear role of sex chromosomes in maintaining reproductive isolation.