nesting success Aves 14 clutch size 10 survival 10 Argentina 8 bird 8 breeding season 8 passerine 8 reproductive success 8 nest predation 6 Clutch size 4 Molothrus bonariensis 4 Neotropical Region 4 Nesting success 4 Rhea 4 Rhea americana 4 predation risk 4 reproductive behavior 4 reproductive biology 4 seasonal variation 4 temperate environment 4 Amazona aestiva 2 Antiparasite defenses 2 Anumbius annumbi 2 Bacteria (microorganisms) 2 Bos 2 Bot fly parasitism 2 Brood parasitism 2 Buenos Aires [Argentina] 2 Buenos Aires province 2