I came across this paper and was duly shocked by the assertions it makes on intra-specific social behaviour in Malpolon. I have kept Montpelliers before and have indeed witnessed their "self-anointing" behaviour but always assumed it was for water retention in a dry environment. I also have several species of Psammophis, and have actually seen this "anointing" behaviour BETWEEN individuals (almost like grooming, I suppose).

Here's the paper:

http://www.seh-herpetology.org/files...211_DeHaan.pdf

The paragraphs about how dominant male Montpellier snakes use vassals to defend their territory and hunt for their female partner during the breeding season is very intriguing, I had no idea that snakes could have such complex social hierarchies.

Enjoy!

Francis
Link