emble d ▁the ▁marks ▁on ▁dummy ▁eggs ▁in ▁ 8 7 . 9 % ▁of ▁the ▁ 6 6 ▁n ests ▁dep red ated ▁by ▁birds . ▁Sp otted ▁cat bird s ▁are ▁also ▁known ▁to ▁eat ▁birds ▁that ▁have ▁become ▁tra pped ▁in ▁mist - net s . ▁N est lings ▁are ▁also ▁fed ▁dec ap itated ▁heads ▁and ▁other ▁parts ▁of ▁fruit ▁dove ▁squ abs . ▁It ▁has ▁also ▁been ▁suggested ▁that ▁cat bird s ▁eat ▁small , ▁soft - sh elled ▁sn ails . ▁ ▁Re production ▁ ▁M ating ▁The ▁A il uro ed us ▁genus ▁of ▁the ▁b ower bird ▁family ▁consists ▁of ▁mon og am ous ▁pairs ▁that ▁do ▁not ▁build ▁a ▁b ower . ▁The ▁males ▁and ▁females ▁both ▁defend ▁an ▁all - pur pose ▁territory . ▁Sp otted ▁cat bird s ▁form ▁pair ▁b onds , ▁some ▁which ▁are ▁known ▁to ▁last ▁for ▁more ▁than ▁one ▁bre eding ▁season ▁and ▁it ▁is ▁believed ▁that ▁this ▁mon og amy ▁results ▁from ▁the ▁need ▁for ▁two ▁parents ▁to ▁raise ▁the ▁bro od ▁successfully . ▁During ▁court ship ▁the ▁pair ▁excited ly ▁hop ▁around ▁per ches ▁in ▁trees ▁and ▁the ▁male ▁makes ▁sharp ▁t ic ▁notes ▁until ▁the ▁female ▁s its ▁still . ▁The ▁male ▁then ▁h ops ▁around ▁the ▁female ▁between ▁two ▁per ches ▁usually ▁with ▁food ▁in ▁his ▁be ak . ▁There ▁has ▁been ▁one ▁observation ▁of ▁cat bird s ▁m ating ▁in ▁capt ivity ▁which ▁F irth ▁describes , ▁" He ▁held ▁some ▁food ▁in