▁height s ▁to ▁strike ▁pre y ▁with ▁their ▁tal ons . ▁If ▁the ▁impact ▁does ▁not ▁kill ▁the ▁pre y , ▁the ▁fal con ▁bit es ▁the ▁neck ▁of ▁its ▁victim ▁to ▁ensure ▁death . ▁ ▁Bre eding ▁The ▁re product ive ▁season ▁is ▁from ▁December ▁to ▁April . ▁The ▁birds ▁occup y ▁n ests ▁on ▁high ▁cl iff ▁led ges ▁or ▁in ▁cav ities ▁and ▁t unn els . ▁They ▁lay ▁cl ut ches ▁of ▁ 3 - 4 ▁eggs . ▁The ▁ch icks ▁f ledge ▁within ▁ 4 8 ▁days ▁with ▁an ▁average ▁nest ing ▁success ▁of ▁ 1 . 3 2 ▁ch icks ▁per ▁nest . ▁ ▁In ▁India ▁the ▁sh a he en ▁has ▁been ▁recorded ▁as ▁nest ing ▁on ▁man - made ▁structures ▁such ▁as ▁buildings ▁and ▁mobile ▁phone ▁transmission ▁to wers . ▁ ▁Status ▁The ▁conservation ▁status ▁of ▁the ▁sh a he en ▁in ▁Sri ▁L anka ▁is ▁vulner able . ▁ ▁A ▁pre lim inary ▁population ▁estimate ▁of ▁ 4 0 ▁bre eding ▁pairs ▁there ▁was ▁made ▁in ▁ 1 9 9 6 , ▁based ▁on ▁a ▁brief ▁survey . ▁The ▁estimate ▁was ▁later ▁corrected ▁to ▁ 1 0 0 ▁bre eding ▁pairs . ▁ ▁In ▁culture ▁ ▁In ▁Pak ist ani ▁literature , ▁the ▁sh a he en ▁has ▁a ▁special ▁association ▁with ▁the ▁poetry ▁of ▁the ▁country ' s ▁national ▁poet , ▁All ama ▁I q bal . ▁It ▁also ▁appears ▁on ▁the ▁official ▁se al ▁of ▁the ▁Pakistan ▁Air ▁Force ▁logo , ▁and