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Distributions of flight-initiation distance FID (a–c) and age (f–h) of dunnocks in the study area between 2012 and 2014. Data were not available for white squares. (e) The number of visitors estimated from three visitor surveys (February 2014, August 2014 and February 2015). (d) Spearman's correlations between FID & human disturbance, and age & human disturbance for the 3 years 2012, 2013 and 2014. (Online version in colour.)
