The number of hedgehogs in rural areas has fallen by half over the past two decades
Population index, 2002 = value of 100
Trend
Annual estimates
120
100
80
60
40
20
2001
2004
2007
2010
2013
2016
Trend
Annual estimates
120
100
80
60
40
20
2001
2004
2007
2010
2013
2016