July 2017 – vol. 110, issue 7, pp 375–387 By Rob Clements, Marcus Ward and Russell Wynn Abstract A marked surge in the number of breeding Firecrests Regulus ignicapilla since 2000 is apparent in some parts of southern England. Intensive survey work in a large study area in the New Forest shows that number of pairs/singing males rose from 104 in 2009 to 498 in 2016. Based on this, further survey work elsewhere in Hampshire, data from the Ra... This article is only available to registered users.To read more, please log in or purchase a subscription.