oo ▁Association ▁( which ▁it ▁helped ▁form ), ▁and ▁the ▁International ▁Species ▁Information ▁System ▁( IS IS ). ▁ ▁M embers ▁of ▁the ▁veter inary ▁staff ▁belong ▁to ▁the ▁American ▁Association ▁of ▁Z oo ▁V eter in ari ans , ▁the ▁European ▁Association ▁of ▁Z oo ▁and ▁Wild life ▁V eter in ari ans , ▁and ▁the ▁European ▁Group ▁on ▁Z oo ▁Animal ▁Cont ra ception . ▁ ▁Vis itors ▁and ▁volunte ers ▁ ▁A ▁record ▁ 7 3 8 , 0 0 0 ▁people ▁visited ▁the ▁zoo ▁in ▁ 2 0 0 9 . ▁The ▁zoo ▁does ▁a ▁br isk ▁business ▁in ▁tour ist ▁groups , ▁school ▁groups , ▁and ▁summer ▁cam ps : ▁over ▁ 1 2 0 , 0 0 0 ▁visitors ▁arrived ▁in ▁groups ▁in ▁ 2 0 0 9 . ▁In cluded ▁in ▁the ▁total ▁are ▁ 6 3 ▁groups ▁of ▁special - ne eds ▁children , ▁both ▁Jewish ▁and ▁Arab , ▁who ▁particip ate ▁in ▁week ly ▁sessions ▁of ▁animal - ass isted ▁ther apy . ▁Total ▁capacity ▁in ▁the ▁park ▁is ▁ 1 1 , 0 0 0 ▁visitors . ▁ ▁Over ▁ 5 0 ▁volunte ers ▁assist ▁zoo ▁operations ▁on ▁a ▁week ly ▁basis . ▁The ▁zoo ' s ▁youth ▁movement , ▁called ▁T nu at ▁No ach ▁( , ▁" No ah ' s ▁Mov ement "), ▁involves ▁te ens ▁aged ▁ 1 3 – 1 5 ▁as ▁volunte ers ▁in ▁the ▁children ' s ▁zoo , ▁small ▁animal ▁building , ▁and ▁bird ▁and