Mudbank - 0600 - summer plumaged black-necked grebe and slavonian grebe both still present this morning. Also 1 great crested grebe, 5 brent goose and c30+ whimbrel. Yesterday 2 fs mediterranean gull.
Evening visit - fw bonaparte's gull downriver at 1900, fs mediterranean gull, c50+ whimbrel, black-necked grebe and 5 brent still. Also an apparent increase in black-headed gull numbers with c2/300+ downriver.