Communication of Food Location Between Human and Dog ( Canis Familiaris )

摘要: Two domestic dogs (Canis familiaris) participated in a series of studies which they communicated with human about the location hidden food. In first study both were able to follow pointing reliably one several locations where food was hidden, front them and behind them. They also showed some skills at following gaze direction this same task, when head eyes indicated location. did not eye it conflicted direction. A second clearly ruled out low-level visual tracking explanation for least subjects. third two lead naive three containing consistently, mainly by barking orienting its body The subject behave differently, however, turned his back or covered eyes; he continued orient bark under all conditions. fourth more signals involved, subjects strongly preferred drop retrieved object of, rather than — even so that had bring around upon return. knowledge displayed these is many ways comparable experimental nonhuman primates.