The populations could be reduced further by the arrival of Common Swift over the last few days, with at least 80 wheeling around over the reserve.
Common Whitethroat - Waterworks NR
At least three Common Whitethroat were displaying including this showy individual. Two Common Tern flew through, as did a lone Swallow and four House Martin. Four Reed Warbler were audible from the reedbed, and the resident Little Grebe and Common Pochard were on the water.
Plenty of Butterflies were on the wing in the warm conditions with Holly Blue, Orange-Tip, Small White, Peacock, and Small Tortoiseshell observed today.