This is the original version of data used for the manuscript, Andean bear tree selectivity for scent-marking in Ecuadorian cloud forests. The data are in four files following the numerical order and titles of the Results section in the manuscript, i.e. 1_PCA.csv, 2_Modeling tree selection at the individual-tee level.csv, 3_Modeling tree selection on a local spatial scale.csv, 4_Modeling formation of marked-tree cluster sites.csv. We used these datasets for our analysis in the program R, the details are provided in the Methods section. Our field work was performed in compliance with the Framework Agreement for access to genetic resources called "Biodiversity Study of Ecuador '' made between the Ecuadorian Ministry of Environment and the UTPL. The code for the Agreement is MAE-DNB-CM-2015-0016-M-0002. The research was funded by Bears in Mind, International Association for Bear Research and Management, the Faculty of Environmental Sciences of Czech University of Life Sciences in Prague, National Geographic Society, Nature and Culture International, GIZ Ecuador, and Trailcampro.