TY - RPRT TI - Elevational constraints on flight efficiency shape global gradients in avian wing morphology AU - Yang, J. AU - Yang, C. AU - Lin, H.-w. AU - Lees, A. C. AU - Tobias, J. A. PY - 2024 DO - 10.1101/2024.07.12.603304 UR - https://www.biorxiv.org/content/10.1101/2024.07.12.603304v1 ID - 10.1101/2024.07.12.603304 ER -