Websites
British Trust for Ornithology Runs scientific surveys of Britain’s bird populations.
Buglife Britain’s main insect and invertebrate conservation organisation.
Butterfly Conservation Dedicated to saving Britain’s butterflies and moths and their habitats.
The Mammal Society Devoted to research and conservation of all Britain’s mammal species.
National Trust Britain’s largest conservation charity, protecting green spaces as well as stately homes.
Plantlife Dedicated to saving Britain’s wild plants and their habitats.
RSPB Europe’s largest bird conservation organisation.
Wildfowl and Wetlands Trust This wetlands charity has nine centres in the UK, including the London Wetland Centre.
The Wildlife Trusts The national federation of 47 local trusts, each of which covers a particular county, region or in the case of Scotland, country.
Source: Resources | Urban wildlife | Environment | The Guardian