Dunbar, R. (2003). Evolution of the social brain. Science, 302(5648), 1160–1161.
|
Houpt, K. A., & Keiper, R. (1982). The position of the stallion in the equine dominance hierarchy of feral and domestic ponies. J. Anim Sci, 54(5), 945–950.
|
Houpt, K. A., & Fraser, A. F. (1988). Przewalski horses. Appl. Anim. Behav. Sci., 21(1-2), 1–3.
|
Kaseda Y,. (1991). Some factors affecting on the population dynamics of two herds in Misaki feral horses. Anim Sci Tech, 62, 1171–1178.
|
Thackeray, J. F. (1988). Zebras from wonderwerk cave, northern Cape province, South Africa: attempts to distinguish Equus burchelli and E. quagga. Suid- Afrikaanse Tydsskrif vir Wetenskap, 84, 99–101.
|
Houpt, K. A., & Rudman, R. (2002). Foreword to special issue on equine behavior. Appl. Anim. Behav. Sci., 78(2-4), 83–85.
|
Houpt, K., Marrow, M., & Seeliger, M. (2000). A preliminary study of the effect of music on equine behavior. Journal of Equine Veterinary Science, 20(11), 691–737.
|
Packer, C., & Heinsohn, R. (1996). Response:Lioness leadership. Science, 271(5253), 1215–1216.
|
Gary C. Jahn, & Craig Packer, R. H. (1996). Lioness leadership. Science, 271(5253), 1216–1219.
|
Hall, C., Crowell-Davis, S. L., & Warren, R. J. (1993). Maternal and developmental behavior of the feral horses of Cumberland Island, Georgia. Appl. Anim. Behav. Sci., 37(1), 85.
|