The two adult WHOOPER SWANS were at Hillesden Pools yesterday afternoon, and at Blackthorn Meadows again today, whilst 4 RED-CRESTED POCHARDS remain on the BBOWT Lake, and rare gulls roosting include the juvenile GLAUCOUS and the 2nd-winter CASPIAN GULL pictured above (Tim Watts). Standing with the Glaucous in Plate 4 is the very pale 'Herring Gull'