ide ▁rock ▁or ▁tree . ▁They ▁sometimes ▁so ar ▁on ▁therm als ▁during ▁the ▁warm ▁part ▁of ▁the ▁day ▁but ▁will ▁alternate ▁fla pping ▁and ▁gl iding ▁in ▁normal ▁flight . ▁ ▁They ▁nest ▁in ▁mixed ▁species ▁her on ries ▁where ▁they ▁build ▁a ▁stick ▁platform ▁on ▁the ▁nest ▁tree ▁which ▁is ▁usually ▁surrounded ▁by ▁water . ▁Several ▁pairs ▁may ▁nest ▁close ▁to ▁each ▁other . ▁The ▁branch ▁is ▁fl atten ed ▁by ▁the ▁birds ▁prior ▁to ▁the ▁pla cement ▁of ▁the ▁st icks ▁that ▁form ▁the ▁nest ▁platform . ▁The ▁nest ▁sites ▁are ▁def ended ▁from ▁other ▁birds ▁with ▁post uring ▁and ▁thrust s ▁of ▁the ▁neck . ▁The ▁bre eding ▁season ▁is ▁June ▁to ▁August ▁( d uring ▁the ▁ra iny ▁season ) ▁in ▁northern ▁India , ▁April – May ▁in ▁south western ▁India ▁and ▁in ▁winter ▁in ▁sout he astern ▁India ▁( d uring ▁the ▁n ortheast ▁mon so on ). ▁The ▁usual ▁cl utch ▁consists ▁of ▁three ▁to ▁six ▁sp ind le ▁sh aped ▁bl u ish - green ▁eggs ▁with ▁a ▁white ▁ch alk y ▁covering ▁that ▁gets ▁so iled ▁over ▁time . ▁Both ▁parents ▁inc ub ate ▁the ▁eggs , ▁beginning ▁after ▁the ▁first ▁egg ▁is ▁laid ▁which ▁leads ▁to ▁asynchronous ▁h atch ing ▁of ▁the ▁young . ▁The ▁newly ▁h atch ed ▁ch icks ▁are ▁bare ▁and ▁covered ▁with ▁some ▁down ▁on ▁the ▁head . ▁As ▁they ▁grow , ▁they ▁become ▁covered ▁in ▁white ▁down . ▁The ▁ch icks ▁feed ▁by ▁thrust ing ▁their ▁heads ▁down