To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 2 A whole-mounted barb of carrion crows (CC) in PBS showing dendritic cytoplasm filled with black melanosome of eumelanin connecting from ramus (on the left) to barbule plate (on the right). In situ quantification of individual mRNA transcripts in melanocytes discloses gene regulation of relevance to speciation Chi-Chih Wu, Axel Klaesson, Julia Buskas, Petter Ranefall, Reza Mirzazadeh, Ola Söderberg, and Jochen B. W. Wolf Journal of Experimental Biology 2019. 222:None-None; doi: 10.1242/jeb.194431 Download Original Video