21st August

The ruff flock on Gretchen Loch had now increased to an impressive 10 birds, a green sandpiper flew over Twinyess and 2 black-tailed godwit were at Westness. Smaller migrants included just 4 willow warbler and a pied flycatcher at Holland. A grey heron, 2 merlin, a kestrel and a peregrine were seen in the North and an hours seawatch produced 4 manx shearwater, 1 sooty shearwater and a basking shark.
19 storm petrels were trapped overnight.