Female yellow-rumped caciques (Cacicus cela) choose to build their unique, enclosed, hanging nests next to wasp nests to provide protection from mammals and botflies.

[Photo by Grace Davis in Barro Colorado Island, Panama; Caption by Maggie Creamer]

Reference

Corwin, P. (2012). Yellow-rumped Cacique (Cacicus cela), In Neotropical Birds Online (T. S. Schulenberg, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/nb.yercac1.01