31st - Blackcap (singing male), 2 Egyptian Goose
30th - Kingfisher
26th - Swallow (soaring above lake), 2 Oystercatcher, 3 Cetti's Warbler, 7 Chiffchaff (6 singing males)
24th - Goosander (female showing well on west side of lake), 2 Wigeon, 2 Red-crested Pochard (males), 2+ Chiffchaff, Willow Warbler
23rd- Great White Egret (present 07:40 to 09:00 then flew north), Willow Warbler (singing), 4 House Martin, 2 Red-crested Pochard (males),
20th- Kingfisher, 2 Wigeon, 3+ Siskin, 2 Egyptian Goose, 2 Cetti's Warbler, 5 Chiffchaff (4 singing)
19th - Red-crested Pochard, Blackcap (a singing male by the river), 5 Cetti's Warbler (singing birds noted by the Heron Watchpoint; along causeway; along the River Colne x3), 5 Chiffchaff (singing males)
18th - 2 Kingfisher, 3 Wigeon, Goldeneye (female ), Grey Wagtail , 2 Cetti's Warbler, Siskin, 3 Chiffchaff (singing), Blackcap (singing)
15th - 3 Oystercatcher (pair plus single calling in flight), 2 Wigeon, Goldeneye (female), 4 Little Egret (in heronry), 4 Grey Wagtail (2 pairs), 3 Blackcap (singing), 3 Chiffchaff (singing), 3 Cetti's Warbler (singing)
3rd - Kingfisher, 3 Goldeneye, 2 Red-crested Pochard (males on far west side sleeping), 11 Wigeon, 2 Oystercatcher, 2 Lapwing, 3 Siskin, Cetti's Warbler, 3 Egyptian Goose
1st - Kingfisher (seen more than once in area between Shoveler Hide and Heron viewpoint), 2 Goldeneye (pair), 2 Red-Crested Pochard (males), 2 Egyptian Goose (pair), c20 Siskin (in Alders initially and then from Kingfisher hide)