Thank you both. The taxonomy still confuses me somewhat (as does herp identification in general), but I'll trust your expertise on this.
By the way, does anyone have suggestions for a somewhat affordable field guide on herps for the region or Europe in general?
These reptiles were seen in Extremadura earlier this month.
#1 Rhinechis scalaris?
This snake was mid-sized (>50 cm long) and rather aggressive, due to its predicament (accidentally finding itself in the middle of a busy place and being driven into the bushes). One of the locals identified it...