@article{willis_1983,  title={Myrmotherula Antwrens (Aves, Formicariidae) as army ant followers},  volume={2},  ISSN={0101-8175},  url={https://doi.org/10.1590/S0101-81751983000300006},  DOI={10.1590/S0101-81751983000300006},  number={3},  journal={Revista Brasileira de Zoologia},  publisher={Sociedade Brasileira de Zoologia},  author={Willis, Edwin O.},  year={1983},  pages={153–158} }