TY - JOUR T1 - Multi-modal signal evolution in birds: re-examining a standard proxy for sexual selection JO - Proceedings of the Royal Society B: Biological Sciences UR - https://eprints.whiterose.ac.uk/id/eprint/137965 PY - 2018/10/24 AU - Cooney CR AU - MacGregor HEA AU - Seddon N AU - Tobias JA ED - DO - DOI: 10.1098/rspb.2018.1557 PB - Royal Society, The VL - 285 IS - 1889 Y2 - 2025/11/18 ER -