Figure 4From: Widespread horizontal genomic exchange does not erode species barriers among sympatric ducksSchematic phylogram of the studied duck species. Branch lengths are scaled to Mya. Aythya fuligula was added as outgroup (branch length shortened at the split of the genus). Redrawn from [22] and Javier Gonzales (pers. comm.). An. codes for the genus Anas, and Ay. for Aythya.Back to article page