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. 2021 Jun 4;1:664978. doi: 10.3389/finsc.2021.664978

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Copyright © 2021 Chatterjee, Bais, Brockmann and Ramesh.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Removal of the feeder led foragers to perform search flights. (A) Experimental design to study the dynamics and persistence of search behavior and after foragers were confronted with the absence of a known feeder. Individually marked foragers are allowed to visit the feeder at 300 m distance from the hive for an initial 1.5 h. The feeder is removed, and the outbound flight activity of the marked foragers is monitored at the hive entrance for the following 2 h. (B,C) Search flights following feeder removal for two colonies. (D,E) Increase in hive-to-hive duration and (F,G) duration of hive stays before and after feeder removal. (H) Hierarchical clustering of foragers based on search behavior sequence. The maximum average silhouette width 0.58 gave a five-cluster solution with agglomerative coefficient 0.93. (I,J) Search behavior sequences for foragers along with cluster information for two colonies.