Northern Pits: 6 adult ARCTIC SKUAS (5 dark phase, 1 pale phase) flew SW over Diddington Pit at 8:53am; 2 Sparrowhawks, 4+ Buzzards, 2 juvenile Hobbies, 3 Grey Partridges, 4 Ringed Plover, 7 Dunlin, 1-2 Greenshanks, Common Sandpiper, Swift, 200+ Sand Martins, several Meadow Pipits & Yellow Wagtails, Reed Warbler, Spotted Flycatcher.