1 9 th - century ▁British ▁zo ologist ▁Thomas ▁C . ▁J erd on , ▁young ▁birds ▁were ▁good ▁to ▁eat , ▁while ▁older ▁ones ▁were ▁" worth less ▁for ▁the ▁table ". ▁E gg s ▁of ▁the ▁sar us ▁c rane ▁are ▁however ▁used ▁in ▁folk ▁rem ed ies ▁in ▁some ▁parts ▁of ▁India . ▁ ▁Young ▁birds ▁were ▁often ▁captured ▁and ▁kept ▁in ▁men ager ies ▁both ▁in ▁India ▁and ▁in ▁Europe ▁in ▁former ▁times . ▁They ▁were ▁also ▁successfully ▁b red ▁in ▁capt ivity ▁early ▁in ▁the ▁ 1 7 th ▁century ▁by ▁Emperor ▁Je hang ir ▁who ▁also ▁noted ▁that ▁the ▁eggs ▁were ▁laid ▁with ▁an ▁interval ▁of ▁two ▁days ▁and ▁that ▁inc ub ation ▁period ▁was ▁ 3 4 ▁days . ▁They ▁were ▁also ▁b red ▁in ▁zo os ▁in ▁Europe ▁and ▁the ▁United ▁States ▁in ▁the ▁early ▁ 1 9 3 0 s . ▁ ▁The ▁Indian ▁state ▁of ▁U tt ar ▁Pr adesh ▁has ▁declared ▁the ▁sar us ▁c rane ▁as ▁its ▁official ▁state ▁bird . ▁An ▁Indian ▁ 1 4 - se ater ▁prop eller ▁aircraft , ▁the ▁Sar as , ▁is ▁named ▁after ▁this ▁c rane . ▁ ▁Notes ▁ ▁References ▁ ▁Other ▁sources ▁ ▁Matth i essen , ▁Peter ▁& ▁Bat eman , ▁Robert ▁( 2 0 0 1 ). ▁The ▁Bird s ▁of ▁Heaven : ▁Tra vel s ▁with ▁C ran es . ▁North ▁Point ▁Press , ▁New ▁York . ▁ ▁External ▁links ▁▁▁ ▁International ▁C rane ▁Foundation : ▁Sar us ▁C