They often choose to build the nest near the nest of a wasp such as Belonogaster juncea; there is no evidence that wasps deter nest predators, but the birds may use the presence of wasp nests as a way of working out whether there are arboreal ants Pseudomyrmex spp in the tree, as if present they would deter nesting by any wasps or birds.
They frequently select a location close to the nest of a wasp such as Belonogaster juncea; there is no proof that wasps repel nest predators, but the birds may utilize the presence of wasp nests to determine whether arboreal ants Pseudomyrmex spp are present in the tree, as if they were, they would deter nesting by any wasps or birds.