 Splendid fairywrens also commonly play host to the brood parasite Horsfield's bronze cuckoo ("Chalcites basalis"), with the shining bronze cuckoo ("Chalcites lucidus") also recorded.The splendid fairywren is predominantly insectivorous; its diet includes a wide range of small creatures, mostly arthropods such as ants, grasshoppers, crickets, spiders and bugs.This is supplemented by small quantities of seeds, flowers, and fruit.