▁is ▁a ▁wet land ▁of ▁international ▁importance ▁( a ▁so - called ▁R ams ar ▁site ). ▁Since ▁ 1 9 9 5 , ▁the ▁nature ▁reserve ▁is ▁part ▁of ▁the ▁N atura ▁ 2 0 0 0 ▁network ▁foc uss ing ▁on ▁fa una - fl ora ▁habitat ▁and ▁bird ▁protection . ▁ ▁Fa una ▁and ▁fl ora ▁ ▁Fa una ▁ ▁The ▁variety ▁of ▁birds ▁inhab iting ▁the ▁nature ▁park ▁cont ributes ▁significantly ▁to ▁this ▁e colog ical ▁importance . ▁To ▁date , ▁well ▁over ▁ 3 0 0 ▁bird ▁species ▁have ▁been ▁observed ▁which ▁makes ▁the ▁Rh ine ▁delta ▁nature ▁park ▁popular ▁among ▁orn ith olog ists ▁and ▁bird ▁watch ers . ▁Sh allow ▁water ▁and ▁s ilt ▁areas ▁are ▁important ▁rest ing ▁and ▁bre eding ▁places ▁as ▁well ▁as ▁food ▁sp ots ▁for ▁water ▁birds ▁and ▁w aders . ▁N umer ous ▁rare ▁and ▁end anger ed ▁species ▁bre ed ▁in ▁the ▁about ▁ 2 , 0 0 0 ▁hect ares ▁of ▁wet ▁me adows , ▁re ed ▁b eds ▁and ▁rip arian ▁for ests . ▁The ▁Rh ine ▁delta ▁is ▁an ▁ideal ▁habitat ▁for ▁many ▁am ph ib ians , ▁too . ▁So ▁far , ▁nine ▁species ▁and ▁a ▁hy brid ▁form ▁( the ▁ed ible ▁f rog ) ▁have ▁been ▁identified ▁in ▁this ▁area . ▁The ▁large ▁populations ▁of ▁water ▁fro gs ▁are ▁remarkable . ▁European ▁tree ▁fro gs ▁and ▁cr ested ▁new ts ▁are ▁also ▁found ▁locally ▁in ▁considerable ▁numbers . ▁Moreover , ▁five ▁native ▁re