Troglodytinae Troglodytes aedon 18 Troglodytes 16 Aves 14 Molothrus bonariensis 10 Argentina 8 Mimus saturninus 8 passerine 8 songbird 8 survival 8 brood parasitism 6 clutch size 6 host-parasite interaction 6 reproductive success 6 Breeding biology 4 Brood parasitism 4 Cimicidae 4 Clutch size 4 Egg morphology 4 Eggshell spotting 4 Emberizinae 4 Furnariidae 4 Furnarius rufus 4 Hemiptera 4 Hirundinidae 4 Icteridae 4 South America 4 adaptation 4 body mass 4 body size 4