Calvert BBOWT Lake; Bitterns looked for from 1st hide by John, myself and others virtually all day but no sign as far as I know in daylight; 1 hauled up reeds to roost in left reedbed 16:50.
With Warren C and Steve N we gave gull pre-roost a go. We had 3 distinctive gulls seen here before, the 1st Winter and near adult CASPIAN GULLS and the adult thayeri-type Scandinavian Herring Gull with white wing tips (see photographs above).
Coot seen stating to build a nest!! (TIM WATTS)