, ▁although ▁there ▁are ▁a ▁number ▁of ▁bre eding ▁records , ▁the ▁most ▁recent ▁from ▁ 1 9 7 1 . ▁Despite ▁having ▁a ▁wide ▁distribution , ▁this ▁bird ▁is ▁not ▁common ▁in ▁many ▁areas ▁and ▁has ▁strong ▁populations ▁only ▁in ▁France , ▁Spain , ▁Russia , ▁Bel arus ▁and ▁Poland ▁where ▁the ▁greater ▁part ▁of ▁the ▁European ▁population ▁can ▁be ▁found . ▁Bre eding ▁sites ▁frequently ▁change , ▁with ▁some ▁sp or adic ▁nest ing ▁occurr ing ▁outside ▁known ▁bre eding ▁areas , ▁however ▁clear ▁signs ▁of ▁reduced ▁range ▁are ▁apparent ▁and ▁are ▁associated ▁with ▁population ▁decl ine . ▁ ▁Status ▁in ▁Britain ▁Mont agu ' s ▁har rier ▁is ▁a ▁rare ▁bre eding ▁bird ▁in ▁Britain . ▁There ▁are ▁two ▁bre eding ▁areas ▁– ▁the ▁area ▁surrounding ▁The ▁W ash , ▁and ▁down land ▁areas ▁of ▁southern ▁England , ▁from ▁Dor set ▁and ▁Ham pshire ▁north ▁to ▁Oxford shire . ▁A way ▁from ▁these ▁areas ▁it ▁occurs ▁only ▁as ▁a ▁scar ce ▁migr ant . ▁One ▁site , ▁Est u ary ▁Farm , ▁near ▁North ▁W oot ton ▁in ▁west ▁Nor folk , ▁a ▁special ▁observation ▁area ▁was ▁negoti ated ▁with ▁local ▁land own ers , ▁so ▁that ▁pressure ▁could ▁be ▁taken ▁off ▁other ▁nest ing ▁pairs . ▁In ▁ 2 0 0 5 , ▁a ▁pair ▁b red ▁on ▁the ▁Hol k ham ▁estate . ▁In ▁ 2 0 1 5 , ▁it ▁was ▁reported ▁that ▁some ▁Mont agu ' s ▁har rier ▁were ▁nest ing ▁at ▁Black to ft