As May arrives swifts are returning to their UK nesting sites - heralding the start of summer. But their populations plummeted by 53 per cent between 1995 and 2015. It’s a subject that Nature’s Voice has visited before and on this episode Jane Markham meets one of the country’s leading swift experts Edward Mayer, the founder of Swift Conservation, and to Jos Ashpole from the RSPB’s migrant programme about why people love these birds and what is being done to help reverse the decline.
