On Wednesday 25 April 10am-4pm I'm leading a "Bird Song" day course for Essex Wildlife Trust. The first part of the morning will be a classroom session at Abbotts Hall Farm, Gt Wigborough looking at how and why birds sing, and aids to learning to recognise birdsong, alarm and contact calls, followed by a short walk to the wetland hide to put the theory into practice. After lunch we'll take a longer walk around the farm in search of more birds. £30 donation per person. For further information and bookings please contact Abbotts Hall Farm admin team on 01621 862960 or firstname.lastname@example.org.