iz arr as ▁said ▁that ▁he ▁has ▁witness ed ▁this ▁many ▁times . ▁If ▁you ▁frequently ▁hold ▁it ▁in ▁your ▁hands , ▁it ▁will ▁be ▁under ▁such ▁stress ▁that ▁it ▁will ▁grow ▁st iff ▁and ▁eventually ▁stop ▁breath ing . ▁Thus , ▁touch ing ▁the ▁" sens itive " ▁t ars ier ▁is ▁a ▁no - no ▁in ▁the ▁san ctu ary . ▁It ▁is ▁very ▁inv iting ▁to ▁do ▁so , ▁especially ▁since ▁even ▁at ▁day time , ▁the ▁animal ▁is ▁not ▁easily ▁sc ared ▁by ▁approaching ▁people ▁and ▁tends ▁to ▁rest ▁on ▁tree ▁tr unks ▁and ▁tw igs ▁at ▁eye ▁level . ▁ ▁The ▁t ars ier , ▁especially ▁if ▁it ' s ▁a ▁male , ▁is ▁also ▁a ▁territorial ▁creature . ▁A ▁male ▁would ▁attack ▁any ▁young ▁t ars ier ▁vent uring ▁into ▁its ▁territory ▁and ▁kill ▁it ▁with ▁a ▁fier ce ▁b ite . ▁" That ' s ▁why ▁when ▁there ' s ▁a ▁new born , ▁we ▁try ▁to ▁check ▁on ▁the ▁position ▁[ of ▁mother ▁and ▁off spring ] ▁three ▁times ▁a ▁day ," ▁he ▁said , ▁adding ▁that ▁the ▁male ▁t ars ier ' s ▁murder ous ▁disposition ▁pre cluded ▁keeping ▁it ▁in ▁a ▁small , ▁en closed ▁space . ▁The ▁cre atures ▁seem ▁to ▁have ▁a ▁good ▁memory , ▁too . ▁" B ecause ▁whenever ▁there ▁are ▁guests , ▁that ' s ▁when ▁their ▁eyes ▁stay ▁wide ▁open . ▁If ▁it ' s ▁just ▁me ▁around , ▁they ▁give ▁me ▁a ▁brief ▁look ▁and ▁go