▁bre eder , ▁possibly ▁linked ▁to ▁ra ins , ▁as ▁its ▁bre eding ▁season ▁var ies ▁from ▁place ▁to ▁place . ▁It ▁n ests ▁in ▁natural ▁h ollow s ▁in ▁trees ▁or ▁uses ▁old ▁wood pe cker ▁holes , ▁or ▁in ▁cl iffs , ▁river b anks , ▁pip es ▁or ▁holes ▁in ▁m ason ry , ▁usually ▁lay ing ▁three ▁white ▁eggs . ▁The ▁young ▁are ▁fed ▁and ▁inc ub ated ▁by ▁both ▁parents . ▁ ▁References ▁▁ ▁Roberts ' ▁Bird s ▁of ▁Southern ▁Africa ▁- ▁ 6 th ▁edition ▁( John ▁Vo el cker ▁Fund , ▁ 1 9 9 3 ) ▁ ▁External ▁links ▁ ▁Pur ple ▁roll er ▁- ▁Species ▁text ▁in ▁The ▁Atlas ▁of ▁Southern ▁African ▁Bird s . ▁ ▁pur ple ▁roll er ▁Category : B ird s ▁of ▁Sub - S ah aran ▁Africa ▁pur ple ▁roll er <0x0A> </s> ▁Natal ma ▁( M arch ▁ 2 6 , ▁ 1 9 5 7 ▁– ▁January ▁ 2 9 , ▁ 1 9 8 5 ) ▁was ▁an ▁American - bre d ▁Thor ough bre d ▁race hor se ▁best ▁known ▁as ▁the ▁dam ▁( m other ) ▁of ▁the ▁most ▁important ▁s ire , ▁and ▁s ire ▁of ▁s ires , ▁of ▁the ▁late ▁ 2 0 th ▁Century , ▁Northern ▁Dan cer . ▁She ▁also ▁established ▁a ▁highly ▁influ ential ▁female ▁family , ▁which ▁has ▁produced ▁other ▁leading ▁s ires ▁Mach ia vel li an ▁and ▁D ane hill , ▁plus ▁numerous ▁other ▁st