| Author |
Title |
Year |
Publication |
Serial |
Volume  |
Pages |
| Ridgeway W, |
Contributions to the study of the Equidae; the differentation of the three species of zebras |
1909 |
|
1507 |
|
547-586 |
| Rossdale Pd, |
Das Pferd Basel, München |
1972 |
|
1518 |
|
|
| Rossdale Pd, |
Das Pferd, Fortpflanzung und Entwicklung |
1975 |
|
1519 |
|
|
| Rubenstein Di, |
Islands and their effects on the social organization of feral horses |
1978 |
|
1523 |
|
|
| Rubenstein, D. I., |
Ecology and sociality in horses and zebras |
1986 |
Ecological Aspects of Social Evolution |
1526 |
|
282-302 |
| Rubenstein, D. I. |
The ecology of female social behaviour in horses, zebras and asses |
1994 |
Animal Societies |
1528 |
|
13-28 |
| Merkies, K.; McKechnie, M.J.; Zakrajsek, E. |
Behavioural and physiological responses of therapy horses to mentally traumatized humans |
2018 |
Applied Animal Behaviour Science |
6385 |
|
|
| Ruffner Ga, C.S. |
Age structure, condition, and reproduction of two burro (Equus asinus) populations from Grand Canyon National Park, Arizona |
1979 |
Symposium on the Ecology and Behavior of wild and feral Equids, Laramie |
1534 |
|
235 |
| Salter Re, |
Ecology of feral horses in western Alberta |
1978 |
|
1548 |
|
|
| Salter Re, |
Biogeography and habitat |
1979 |
|
1549 |
|
129-142 |
