Acknowledgements
We thank Francisco Sornoza, Silvia Artuso and Lisa Scheer for support with sample collection, Melania Muñoz and Rocio Pérez-Barrales for support in obtaining collection permits, and the following biological reserves for logistic support, forest preservation and lodging: Costa Rica: Monteverde Cloudforest Reserve, Monteverde Biological Station, Tropical Field Station La Gamba, Cerro Dantas, Finca Truchas Selva Madre, National Parks (Braulio Carillo, Chirripó, Volcán Tenorio, Piedras Blancas, La Amistad); Ecuador: Bellavista Cloudforest Reserve, EcoMinga foundation, Yocotoco foundation, Podocarpus National Park. Further thanks to Jacqueline Heckenhauer for help with DNA extractions and to Adrián García-Rodríguez for discussions on and scripts for GDM-analyses. This work was funded by FWF 30669-20 to ASD and JS and FWF-1186 to ASD.