Sparrowhawk 1
Peregrine 1
Stock Dove 3Great Spotted Woodpecker 1
Swift 2W
Swallow 8
Sand Martin 4
Stonechat 11
Nightingale h croaking Chat Vale
Grasshopper Warbler 2
Reed Warbler 3
Sedge Warbler 2
Garden Warbler 1
Blackcap 5
Whitethroat 40
Lesser Whitethroat 1
Willow Warbler 11
Chiffchaff h singing Hollow
Raven 2
Corn Bunting 2
Comma 1
Red Admiral 1
Marbled White 1
White-lettered Hairstreak 1
Silver-spotted Skipper 2
The Migration Atlas reveals that Sedge Warblers make pre-migratory movements in late July with birds apparently searching for sites with high densities of Plum-reed Aphids. Autumn migration occurs mainly during August to October and a slight tendency for adults to leave earlier than juveniles.