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Table 1 Overview of all observations of insert-and-transport tool use

From: A novel tool-use mode in animals: New Caledonian crows insert tools to transport objects

Observation Date Subject Condition Tool Object
1 09-03-2013 Liane Experimental a b
2 13-03-2013 Aigaios Experimental c e
3 13-03-2013 Aigaios Experimental c f
4 19-03-2013 Liane Experimental d b
5 26-02-2014 Liane Non-experimental c g
6 26-02-2014 Liane Non-experimental h i
  1. The tool and object lettering refers to Fig. 1