Expression patterns of the wcs genes. The solid and open circles indicate that the wcs1 gene is expressed or is not expressed, respectively. NA indicates that there are no RNA-seq data for the organ (tissue) of the species. Mmu, Mus musculus; Mpu, Mustela putorius; Bta, Bos Taurus; Har, Hipposideros armiger; Eca, Equus caballus; Mdo, Monodelphis domestica; Pci, Phascolarctos cinereus.