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. 2014 Jul 24;4:5805. doi: 10.1038/srep05805

Figure 4. Temporal evolution of the average direction modeling errors ϕ with FNR/FNN and HLN patterns.

Figure 4

Clearly, some HLN-dominating temporal segments match the local maxima of the average curvature curve η* quite well. This figure suggests that pigeons tend to follow the directions of their leaders, rather than their neighbors, when experiencing sudden turns.