Gallup, A. C., Herron, E., Militello, J., Swartwood, L., Cortes, C., & Eguibar, J. R. (2017). Thermal imaging reveals sizable shifts in facial temperature surrounding yawning in budgerigars (Melopsittacus undulatus)(*). Temperature (Austin).

Gallup, Andrew C., Elaine Herron, Janine Militello, Lexington Swartwood, Carmen Cortes, and Jose R. Eguibar. "Thermal Imaging Reveals Sizable Shifts in Facial Temperature Surrounding Yawning in Budgerigars (Melopsittacus Undulatus)(*)." Temperature (Austin) 2017.

Gallup, Andrew C., et al. "Thermal Imaging Reveals Sizable Shifts in Facial Temperature Surrounding Yawning in Budgerigars (Melopsittacus Undulatus)(*)." Temperature (Austin) 2017.