The Telegraph reports BBC Springwatch is to enlist an army of nature-loving viewers to catalogue British gardens, as presenters set a weekly quiz question to gather data. The show will this series launch the biggest “Gardenwatch” survey of its kind, asking viewers to complete an assessments on bird behaviour, a register of common mammals, and a headcount of earthworms in their soil.

BBC Two’s Springwatch 2019 airs Monday to Thursday for three weeks from Monday May 27.