Figure 4b GO annotation for the differentially expressed proteins in neuroendocrine tissue between migrant and resident juncos. The GO annotation results are displayed under three main categories: biological process, molecular function, and cellular component. The color gradient of the bar chart corresponds to the magnitude of p value (FDR < 0.05). The dark brown colored bar indicates a low p value. Y-axis represents the number of differentially expressed proteins in a specific GO term which is labeled on X-axis.