We discuss the two papers:

Kupper C, Stocks M, Risse JE, dos Remedios N, Farrell LL, McRae SB, Morgan TC, Karlionova N, Pinchuk P, Verkuil YI, Kitaysky AS, Wingfield JC, Piersma T, Zeng K, Slate J, Blaxter M, Lank DB, Burke T (2015) A supergene determines highly divergent male reproductive morphs in the ruff. Nature Genetics in press

Lamichhaney S, Fan G, Widemo F, Gunnarsson U, Thalmann DS, Hoeppner MP, Kerje S, Gustafson U, Shi C, Zhang H, Chen W, Liang X, Huang L, Wang J, Liang E, Wu Q, Lee SM-Y, Xu X, Hoglund J, Liu X, Andersson L (2015) Structural genomic changes underlie alternative reproductive strategies in the ruff (Philomachus pugnax). Nature Genetics in press