Year ▁of ▁birth ▁uncertain ▁Category : 1 1 th - century ▁Bre ton ▁people <0x0A> </s> ▁The ▁Z oo ▁León ▁( form ally ▁León ▁Zo ological ▁Park , ▁or ▁Par que ▁Z ool óg ico ▁de ▁León ▁in ▁Spanish ) ▁is ▁a ▁zoo ▁located ▁in ▁León , ▁Gu an aju ato , ▁Mexico . ▁The ▁zoo ▁is ▁open ▁ 3 6 5 ▁days ▁a ▁year . ▁ ▁Z oo ▁León ▁is ▁acc red ited ▁by ▁the ▁Association ▁of ▁Zo os ▁and ▁Aqu ari ums ▁( A Z A ). ▁ ▁History ▁ ▁Z oo ▁León ▁was ▁opened ▁in ▁September ▁ 1 9 7 9 . ▁Since ▁ 1 9 8 9 ▁it ▁has ▁been ▁owned ▁and ▁operated ▁by ▁the ▁Municip ality ▁of ▁León . ▁ ▁In ▁ 1 9 9 4 ▁a ▁veter inary ▁clin ic ▁was ▁added ▁to ▁the ▁zoo , ▁and ▁in ▁ 2 0 0 2 ▁the ▁Night ▁Safari ▁was ▁opened . ▁ ▁In ▁ 2 0 1 0 ▁the ▁zoo ▁hosted ▁an ▁extra ▁cost ▁temporary ▁exhib it ▁called ▁" Re pt iles ▁and ▁Po ison ous ▁Ar th rop ods ▁of ▁the ▁World ". ▁The ▁exhib it ▁was ▁designed ▁to ▁familiar ize ▁visitors ▁with ▁less ▁popular ▁animals . ▁In ▁addition ▁to ▁five ▁species ▁of ▁sn akes ▁that ▁live ▁in ▁Gu an aju ato , ▁the ▁exhib it ▁included ▁r att les n akes , ▁p yth ons , ▁c ob ras , ▁tar ant ulas , ▁and ▁other ▁sp iders . ▁ ▁Anim als ▁and ▁exhib its ▁ ▁The