| Author |
Title |
Year |
Publication |
Serial |
Volume |
Pages  |
| Rapaport, L.; King, N.E. |
The behavioral research program at the Washington Park Zoo |
1987 |
Applied Animal Behaviour Science |
2324 |
18 |
57-66 |
| Mcinnis Ml, V.M. |
Dietary relationships among feral horses, cattle, and pronhorn in southeastern Oregon |
1987 |
|
1379 |
40 |
60-66 |
| Penzhorn Bl, G.R. |
Incisor wear in free – ranging Cape mountain zebras |
1987 |
|
1461 |
17 |
99-102 |
| Rumbaugh, D.M.; Savage-Rumbaugh, S.; Hegel, M.T. |
Summation in the chimpanzee (Pan troglodytes) |
1987 |
Journal of Experimental Psychology. Animal Behavior Processes |
2785 |
13 |
107-115 |
| Crowell-Davis, S.L.; Houpt, K.A.; Kane, L. |
Play development in Welsh pony (Equus caballus) foals |
1987 |
Applied Animal Behaviour Science |
2274 |
18 |
119-131 |
| Penzhorn Bl, |
Descriptions of incisors of known – age Cape Mountain Zebras from the Mountain Zebra National park |
1987 |
|
1459 |
54 |
135-141 |
| Sherwin, C.M.; Johnson, K.G. |
The influence of social factors on the use of shade by sheep |
1987 |
Applied Animal Behaviour Science |
2037 |
18 |
143-155 |
| Rutberg, A.T. |
Horse Fly Harassment and the Social Behavior of Feral Ponies |
1987 |
Ethology |
6417 |
75 |
145-154 |
| Terrace, H.S. |
Chunking by a pigeon in a serial learning task |
1987 |
Nature |
2792 |
325 |
149-151 |
| Tomasello, M.; Davis-Dasilva, M.; Camak, L.; Bard, K. |
Observational learning of tool-use by young chimpanzees |
1987 |
|
5915 |
2 |
175-183 |
