26th - Swallow, 2 Egyptian Goose, 7 Cetti's Warbler (all calling)
25th - 3 Cetti's Warbler (singing)
16th - 6+ Swallow, 2 Red-crested Pochard (male and female), Egyptian Goose
15th - White-fronted Goose / Snow Goose hybrid (seen from Heron Watchpoint on small island directly in front)
12th - Kingfisher (flying along river), 2 Egyptian Goose
5th - 25 Swallow
3rd - 3 Cetti's Warbler , 10 Swallow, Kingfisher (on River Colne), 2 Egyptian Goose
2nd - 2 Willow Warbler, Cetti's Warbler, 35 Swallow, Kingfisher, 5 Egyptian Goose