This happens in phases. Every now and then they get their knickers in a twist and they stop cars for a few days. However I had no problems on Sun and Mon. Khalifa is most likely correct, they sometime become difficult on Fridays....
On the toilet Lifer list - 1 (SPOTTED PALM THRUSH - YABELLO, ETHIOPIA)
On the toilet list - 5 (GOLDEN EAGLE - RELICT POPULATION SANETTI PLATEAU, ETHIOPIA)
Pivots list - 194 (SHORT EARED OWL, ORIENTAL HONEY BUZZARD, NAMAQUA DOVE)
UAE list - 364 (WATER RAIL)