 Reference Base  Discrimination learning and extinction in the black rhino... |
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MacCain, G.; Stepter, G., 1968. Discrimination learning and extinction in the black rhinoceros (Diceros bicornis). Psychonomic Science 13 (3): 189-190, figs. 1-3
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| Location: |
Captive |
| Subject: |
Ecology - Food |
| Species: |
Black Rhino |
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The first problem was to determine a proper reinforcer. Carrots, peppermint candy, sugar cubes, cabbage leaves, and white bread were tried; all were eaten readily and with apparent relish. White bread was found to be very suitable and one-half slice, per trial, was sufficient to sustain performance. A rhino will eat up to six large loaves of bread in one session without a noticeable decrease in responsiveness.
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