Why do dogs tilt their heads?

[FFabian]

Actually it’s possibly quite longer than that.

There was similar discussion going on two years ago:

Huskies howl at video of howling Siberian Husky

If you look at stone age or bronze age settlements there was apparently some sort of “man’s best friend … until he got hungry” attitude going on… In depth info about domestication of dogs: O. Thalmann, B. Shapiro u. a.: Complete Mitochondrial Genomes of Ancient Canids Suggest a European Origin of Domestic Dogs. In: Science. (registering required ) https://de.wikipedia.org/wiki/Doppelgrab_von_Oberkassel (only available in german )

Translated wiki article