Fig. 1

Experimental animal species. Free-living male white-browed sparrow-weaver (P. mahali) perching in a tree in the South African Kalahari. The bird carries a vocal and a neuronal (see below) radio telemetric transmitter
Experimental animal species. Free-living male white-browed sparrow-weaver (P. mahali) perching in a tree in the South African Kalahari. The bird carries a vocal and a neuronal (see below) radio telemetric transmitter