{"fact":"The main difference in gene expression between carrion and hooded crows corresponds to their stark plumage coloration.","context":"The main difference in gene expression patterns corresponded to phenotypic divergence in plumage coloration.","source":"J. W. Poelstra; N. Vijay; C. M. Bossu; H. Lantz; B. Ryll; I. Müller; V. Baglione; P. Unneberg; M. Wikelski; M. G. Grabherr; J. B. W. Wolf, The genomic landscape underlying phenotypic integrity in the face of gene flow in crows, 10.1126/science.1253226","index":656}