Had a couple of waders last night calling from the farmlands during the thunderstorm conditions. The Curlew was the first for the year. Also had Common Sandpiper, Green Sandpiper, Barn Owl, Grey Heron, Magpie and lake birds calling.
Sonogram of Greenshank call showing the typical triplet call and also an alarm call
Curlew sonogram (in red box) showing two note rising pitch call
The obs night monitoring kit- moth trap, bat detector and sound recording equipment at the lab window