show Abstracthide AbstractThe study includes whole-genome resequencing data of 50 open-habitat chat taxa from a total of 44 species from the genera Oenanthe, Campicoloides, Emarginata, Myrmecocichla, Pinarochroa, and Thamnolaea. All sequencing was performed on Illumina NovaSeq6000 instruments with an average realized sequencing coverage of 11x (range: 4.6x-40.6x).