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Figure 2


Fig. 2. Results of Series I experiments carried out at the Bee Station (outdoors) at Wuerzburg University. The visual patterns were black/white sectors versus rings at the feeder, and black/white vertical versus horizontal gratings at the hive (patterns shown at the base of each bar). The results showed that trained bees can reverse their pattern preference following midday breaks, as well as an overnight break, both at the feeder and at the hive. Terminology for the test types: M, morning; A, afternoon; H, hive; F, feeder; 1, early; 2, late. ***P<0.001. See text for further details.





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