How to feed your garden birds without spreading disease

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The outbreak of a mysterious and deadly disease in finches in British gardens in 2005 set alarms bells ringing for conservationists. A decade later, the extent of that disease in greenfinches and chaffinches was reported. And now, bird scientists are beginning to understand how feeding birds in our gardens might be linked to their health and survival.

Major new guidance on bird feeding released by the UK’s largest nature conservation charity, the Royal Society for the Protection of Birds (RSPB)...