▁' sc en ic ▁charm ' ▁of ▁the ▁islands ▁and ▁the ▁native ▁island ▁wild life ; ▁he ▁stated ▁that ▁gra zing ▁by ▁go ats ▁resulted ▁in ▁the ▁‘ dest ruction ▁of ▁the ▁grass , ▁her b ace ous ▁and ▁shr ub by ▁veget ation ▁on ▁the ▁islands ▁[ and ▁the ] ▁dimin ution ▁of ▁the ▁normal ▁food ▁for ▁land ▁birds ▁and ▁other ▁Australian ▁animals . ▁ ▁Also ▁in ▁ 1 9 3 6 , ▁the ▁destruction ▁of ▁veget ation ▁at ▁Lady ▁Mus gra ve ▁Island ▁and ▁other ▁islands ▁of ▁the ▁Cap ric orn - B unker ▁Group ▁was ▁described ▁by ▁N P ▁R anger ▁G . ▁Geoff rey , ▁who ▁reported ▁the ▁presence ▁of ▁‘ about ▁ 2 0   head ▁of ▁go ats ’ ▁at ▁Lady ▁Mus gra ve ▁Island , ▁her ds ▁of ▁go ats ▁in ▁the ▁B unker ▁Group , ▁and ▁about ▁‘ 1 5 0   head ▁of ▁go ats ’ ▁at ▁North ▁Fair f ax ▁Island , ▁which ▁were ▁reported ▁to ▁be ▁in ▁very ▁poor ▁condition ▁as ▁a ▁result ▁of ▁lack ▁of ▁food ▁and ▁were ▁e ating ▁the ▁roots ▁of ▁P ison ia ▁trees ▁to ▁surv ive . ▁ ▁By ▁ 1 9 4 7 , ▁the ▁destruction ▁of ▁the ▁island ▁veget ation ▁by ▁go ats ▁was ▁still ▁occurr ing . ▁Mr ▁Marshall , ▁the ▁Queensland ▁Ich thy ologist , ▁stated ▁that ▁‘ at ▁present ▁the ▁above ▁island ▁has ▁become ▁over run ▁with ▁go ats . ▁They ▁have ▁e aten ▁the ▁island ▁bare ▁of ▁grass ▁and ▁are ▁now