▁t amar ins ▁to ▁surv ive ▁in . ▁In ▁the ▁past , ▁t amar ins ▁were ▁collected ▁for ▁sale ▁to ▁the ▁pet ▁trade ▁or ▁for ▁use ▁in ▁research ▁labor ator ies . ▁The ▁golden ▁l ion ▁t amar ins ▁are ▁located ▁in ▁the ▁South ▁American ▁house . ▁ ▁Mol u cc an ▁co ck ato os ▁Dublin ▁Z oo ▁holds ▁the ▁European ▁stud book ▁for ▁Mol u cc an ▁co ck ato os . ▁A ▁stud book ▁is ▁a ▁record ▁of ▁all ▁the ▁individuals ▁of ▁a ▁particular ▁species ▁that ▁are ▁held ▁in ▁zo os ▁in ▁a ▁region . ▁It ▁contains ▁information ▁such ▁as ▁the ▁sex ▁of ▁the ▁animal , ▁how ▁old ▁it ▁is ▁and ▁who ▁its ▁parents ▁were . ▁This ▁information ▁is ▁then ▁used ▁to ▁decide ▁which ▁birds ▁should ▁be ▁pa ired ▁with ▁which ▁to ▁get ▁the ▁best ▁gen etic ▁mix . ▁This ▁ens ures ▁that ▁the ▁capt ive ▁population ▁stays ▁as ▁gen et ically ▁health y ▁as ▁possible . ▁Mol u cc an ▁co ck ato os ▁are ▁hand some ▁birds , ▁white - with - a - h int - of - p ink ▁fe athers ▁and ▁a ▁p ink ▁colour ▁on ▁the ▁cr est . ▁This ▁co ck ato o ▁is ▁on ▁the ▁end anger ed ▁species ▁list . ▁ ▁Anim als ▁and ▁exhib its ▁As ▁the ▁result ▁of ▁protest s ▁against ▁the ▁standard ▁of ▁animal ▁housing ▁and ▁w elf are , ▁led ▁by ▁former ▁ke eper ▁Br end an ▁Price , ▁a ▁" Plan ▁for ▁the ▁Future ▁of ▁Dublin