local
Basildon Natural History Society
BDC Country Parks and Nature Reserves
BDC Countryside Services
BDC Countryside Calendar
Billericay Society
Chelmsford & Central Essex RSPB
Essex Wildlife Trust
Friends of the Wick Country Park
Mill Meadows Society
Noak Bridge Parish Council
Norsey Wood Society
South Essex Wildlife Hospital
Southend-on-Sea RSPB
The Noak Bridge Network
The River Crouch Conservation trust
Wat Tyler Country Park
Watt Tyler RSPB webcam
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reference
10x50.com - Bird Sounds
Amateur Entomologists' Society
antbase.org
Arkive - Images Of Life On Earth
Biological Records Centre
British Dragonfly Society
Dragonfly-Days
Help British Wildlife
Natural History Society
SARG - Water Frogs
The Beginner's Guide To Caddis (pdf)
Tree of Life Project (TOL)
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