@misc{indiciae7a930816a4ae, title = {Interspecific aggression among parapatric and sympatric songbirds on a tropical elevational gradient}, author = {Andy J. Boyce and Thomas E. Martin}, year = {2019}, doi = {10.1093/beheco/ary194}, url = {https://pubs.usgs.gov/publication/70227516}, note = {Source identifier: 70227516} }