For instance, among the genes upregulated in infected wild‐caught birds reported here, RAB20 was also upregulated in 'amakihi surviving experimental infection, and three upregulated genes (COG5, BOD1, and PCDH10 which activates PCDHGA6) were downregulated in 'amakihi that perished (Paxton et al. 2023). The gene discussed is PCDH10; the disease is infection.