The results of sequencing the collared flycatcher genome, and re-sequencing population samples from this species and its sister species, the pied flycatcher, reveal the existence of areas of high sequence divergence compared to background levels, and suggest that complex repeat structures may drive species divergence and that sex chromosomes and autosomes are at different stages of speciation.
- Hans Ellegren
- Linnéa Smeds
- Jochen B. W. Wolf