▁recent ▁review ▁of ▁these ▁surve ys ▁now ▁suggests ▁that ▁rural ▁populations ▁have ▁decl ined ▁by ▁at ▁least ▁a ▁half ▁and ▁urban ▁populations ▁by ▁up ▁to ▁a ▁third ▁since ▁ 2 0 0 0 . ▁ ▁P est ▁status ▁This ▁species ▁has ▁become ▁a ▁serious ▁p est ▁in ▁areas ▁where ▁it ▁has ▁been ▁introduced ▁outside ▁of ▁its ▁native ▁range . ▁One ▁such ▁location ▁is ▁the ▁Western ▁Is les ▁of ▁Scotland , ▁where ▁introduced ▁h edge h ogs ▁eat ▁the ▁eggs ▁of ▁ground - nest ing ▁w aders ▁such ▁as ▁common ▁sni pe , ▁d un lin , ▁common ▁red sh ank ▁and ▁northern ▁lap wing . ▁It ▁is ▁also ▁considered ▁a ▁p est ▁in ▁New ▁Zealand ▁where ▁it ▁pre ys ▁upon ▁various ▁native ▁fa una . ▁ ▁See ▁also ▁H edge h og ▁Street ▁H edge h ogs ▁in ▁New ▁Zealand ▁ ▁References ▁ ▁Further ▁reading ▁Mac don ald , ▁David ▁W . ▁ ▁& ▁Pr isc illa ▁Bar rett ▁M amm als ▁of ▁Europe ▁Pr inc eton ▁University ▁Press ▁( 1 9 9 3 ), ▁ ▁War wick , ▁Hugh ▁( 2 0 1 0 ). ▁A ▁Pr ick ly ▁Aff air : ▁The ▁charm ▁of ▁the ▁h edge h og . ▁ ▁P engu in . ▁ ▁External ▁links ▁▁ ▁H edge h og ▁Street ▁UK ▁conservation ▁campaign ▁ ▁AR K ive ▁Phot ograph s ▁and ▁Videos ▁ ▁Wild life On line ▁Natural ▁History ▁of ▁the ▁European ▁H edge h og ▁ ▁H edge h og ▁in ▁the ▁night ▁( ph ot