▁best ▁a ▁short - term ▁complement , ▁and ▁not ▁a ▁substitute , ▁to ▁more ▁permanent ▁inter vent ions ▁that ▁include ▁habitat ▁pres ervation . ▁The ▁little - known ▁Philipp ine ▁population ▁became ▁ext inct ▁in ▁the ▁late - ▁ 1 9 6 0 s . ▁ ▁The ▁sar us ▁c rane ▁is ▁class ified ▁as ▁vulner able ▁on ▁the ▁IU CN ▁Red ▁List . ▁Th re ats ▁include ▁habitat ▁destruction ▁and / or ▁de grad ation , ▁hunting ▁and ▁collect ing , ▁as ▁well ▁as ▁environmental ▁poll ution ▁and ▁possibly ▁dise ases ▁or ▁compet ing ▁species . ▁The ▁effects ▁of ▁in bre eding ▁in ▁the ▁Australian ▁population , ▁once ▁thought ▁to ▁be ▁a ▁significant ▁threat ▁due ▁to ▁hy brid ization ▁with ▁b rol gas ▁producing ▁hy brid ▁birds ▁called ▁" s ar olg as ", ▁is ▁now ▁confirmed ▁to ▁be ▁minimal ▁suggesting ▁that ▁it ▁is ▁not ▁a ▁major ▁threat . ▁New ▁plans ▁for ▁developing ▁the ▁flo od plain ▁areas ▁of ▁northern ▁Queensland ▁may ▁have ▁det r iment al ▁impact s ▁on ▁bre eding ▁sar us ▁c rane ▁populations , ▁and ▁require ▁to ▁incorpor ate ▁the ▁needs ▁of ▁c ran es ▁via ▁conservation ▁of ▁a ▁divers ity ▁of ▁habit ats ▁that ▁are ▁currently ▁found ▁in ▁the ▁region . ▁ ▁The ▁species ▁has ▁been ▁ext ir p ated ▁in ▁Malays ia ▁and ▁the ▁Philippines . ▁Re int roduction ▁programs ▁in ▁Th ailand ▁have ▁made ▁use ▁of ▁birds ▁from ▁Camb odia . ▁, ▁attempts ▁to ▁re int rodu ce ▁the ▁birds ▁to ▁eastern ▁Th ailand ▁have