Table 1

Definitions of the different behavioral context used for the acoustical analysis.

Context

Definition


Digging

The signaler was digging for or eating food, and the animal was not moving and its head was facing downward.

Searching

The signaler was searching for food in and around the same foraging patch, with head predominately facing downward.

Moving

The signaler was moving between foraging patches but within the spatial cohesion of the group and with head predominately facing forward.


Jansen et al. BMC Biology 2012 10:97   doi:10.1186/1741-7007-10-97

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