Imitative pecking by budgerigars, Melopsittacus undulatus, over a 24 h delay
On video, budgerigars observed a conspecific demonstrator depressing a stopper by pecking or by stepping and then feeding from the box below. The observers were given access to the stopper, immediately after observation or following a 24 h delay, and we recorded the proportion of their stopper remov...
| Main Authors: | , , , |
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| Format: | Journal article |
| Language: | English |
| Published: |
2009
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