Evidence for contagious behaviors in budgerigars (Melopsittacus undulatus): An observational study of yawning and stretching
Michael L. Miller, Andrew C. Gallup, Andrea R. Vogel, Shannon M. Vicario, Anne B. ClarkVolume:
89
Year:
2012
Language:
english
Pages:
271
DOI:
10.1016/j.beproc.2011.12.012
File:
PDF, 587 KB
english, 2012