▁proport ions . ▁The ▁fem ur ▁measured ▁around ▁, ▁the ▁tib iot ars us ▁, ▁and ▁the ▁t ars omet at ars us ▁. ▁ ▁Be hav iour ▁and ▁e col ogy ▁ ▁Little ▁is ▁known ▁about ▁the ▁behaviour ▁of ▁the ▁Rod rig ues ▁star ling , ▁apart ▁from ▁T aff oret ' s ▁description , ▁from ▁which ▁various ▁infer ences ▁can ▁be ▁made . ▁The ▁robust ness ▁of ▁its ▁lim bs ▁and ▁the ▁strong ▁j aws ▁with ▁the ▁ability ▁to ▁g ape ▁indicates ▁that ▁it ▁for aged ▁on ▁the ▁ground . ▁Its ▁di et ▁may ▁have ▁consisted ▁of ▁the ▁various ▁sn ails ▁and ▁in verte br ates ▁of ▁Rod rig ues , ▁as ▁well ▁as ▁sc av eng ed ▁items . ▁Rod rig ues ▁had ▁large ▁colon ies ▁of ▁se ab ird s ▁and ▁now - ext inct ▁C yl ind ras pis ▁land ▁tort o ises , ▁as ▁well ▁as ▁marine ▁t urt les , ▁which ▁would ▁have ▁provided ▁a ▁large ▁amount ▁of ▁food ▁for ▁the ▁star ling , ▁particularly ▁during ▁the ▁bre eding ▁seasons . ▁T aff oret ▁reported ▁that ▁the ▁p ige ons ▁and ▁par ro ts ▁on ▁the ▁off sh ore ▁southern ▁is lets ▁only ▁came ▁to ▁the ▁main land ▁to ▁drink ▁water , ▁and ▁Leg u at ▁noted ▁that ▁the ▁p ige ons ▁only ▁b red ▁on ▁the ▁is lets ▁due ▁to ▁per sec ution ▁from ▁r ats ▁on ▁the ▁main land ; ▁the ▁star ling ▁may ▁have ▁also ▁done ▁this . ▁Origin ally , ▁the ▁Rod