, ▁which ▁is ▁found ▁only ▁from ▁Santa ▁Cruz ▁and ▁Santa ▁Rosa ▁Islands . ▁ ▁Island ▁man zan ita ▁and ▁white h air ▁man zan ita , ▁shr ubs ▁which ▁are ▁en demic ▁to ▁Santa ▁Cruz ▁Island . ▁ ▁Island ▁f ence ▁l izard , ▁en demic ▁to ▁the ▁Channel ▁Islands ▁of ▁California ▁ ▁Island ▁fo xes ▁are ▁ind igen ous ▁to ▁the ▁island . ▁R ough ly ▁the ▁size ▁of ▁house c ats , ▁island ▁fo xes ▁are ▁una f raid ▁of ▁humans . ▁They ▁can ▁be ▁seen ▁with ▁regular ity ▁in ▁most ▁of ▁the ▁camp ground s ▁on ▁Santa ▁Cruz ▁Island . ▁ ▁The ▁native ▁plant ▁communities ▁of ▁Santa ▁Cruz ▁Island ▁include ▁chap ar ral , ▁o ak ▁wood land , ▁Bishop ▁p ine ▁( P inus ▁mur iac ata ) ▁forest , ▁grass land ▁and ▁coast al ▁s age ▁scr ub . ▁Where ▁sheep ▁gra zing ▁was ▁pre val ent , ▁the ▁native ▁plant ▁cover ▁has ▁been ▁dam aged , ▁and ▁er os ion ▁and ▁g ul lying ▁has ▁been ▁a ▁problem ▁in ▁some ▁areas . ▁The ▁native ▁plant ▁communities ▁are ▁slowly ▁recover ing ▁since ▁the ▁removal ▁of ▁fer al ▁sheep ▁and ▁p igs . ▁ ▁Bald ▁e agle ▁re int roduction ▁ ▁Bald ▁e ag les ▁were ▁once ▁numerous ▁on ▁California ' s ▁Channel ▁Islands . ▁Because ▁of ▁egg shell ▁thin ning ▁caused ▁by ▁D DT ▁and ▁other ▁factors , ▁successful ▁bald ▁e agle ▁nest ing ▁in ▁the ▁northern ▁Channel ▁Islands ▁ended ▁by ▁ 1 9 4 9 . ▁By