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Abstract

  • 1
    Garden warblers are able to learn to go to four different feeding places at different times of day (time-place learning). We investigated whether or not the birds rely on a fixed route by preventing them from entering one of the places at the normal time (blocking experiments). At the end of the blocking period the birds were allowed to visit any of the four feeding places.
  • 2
    In two such blocking experiments, one in which the blocking period was first thing in the morning (from 06.00–10.00 h), the other in which it was later in the day (from 12.00–16.00 h), there was no subsequent shift in the phase of visiting the places during the rest of the day, apart from a tendency to go to the first place of the day after the morning block. These results suggest that the birds do not rely on following a fixed route, but instead use a time-place map.