Earthworm Society of Britain (ESB) website - an organisation which promotes and supports research into the better understanding of earthworms. They can train you to become an earthworm recorder

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ESB Facebook page - self-explanatory

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Earthworm Watch - a citizen science earthworm survey project

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iRecord - a great site for submitting your biological records

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Field Studies Council - you can buy the AIDGAP key to earthworm identification here

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