Songbirds are typically diurnal, but will adopt a nocturnal pattern during migration. While the exact neurobiological cause of this switch is yet unknown, I hypothesize it to be related to activity of the neuropeptide orexin. In this study, I utilized immunohistochemistry to selectively stain against orexin receptors A and B in songbird brains. My results showed a consistent distribution of orexin in the ventral tegmental area, periaqueductal gray, cerebellum, optic tectum, and olfactory tract.