How ‘citizen scientists’ helped red squirrels return to Aberdeen  BBCRed squirrels expand across Highlands after 10-year reintroduction drive | Conservation  The GuardianRed squirrel range increases 25% following reintroduction project  STV NewsHow stunning comeback of Scotland’s red squirrels is proving that conservation efforts can work  The ScotsmanRed squirrel range in Highlands increases by over 25% following major reintroduction project  deadlinenews.co.uk