No interactions present.
My confidence level is reduced as this sighting was in Spain and not the UK. Having checked on similar European dragonflies I think I'm happy its a Black-tailed Skimmer.
Chris Brooks - www.dragonfly-images.co.uk
My Flickr site - www.flickr.com/photos/ceb1298
Lat/Lng: 37.2152, -7.0444
Southern Spain, near Portugal