Reserach stay (PhD program). Supervisor: Dr. Debbie M. Kelly. Comparative Cognition Laboratory, University of Manitoba; Winnipeg, Canada (May – November, 2019).
Research stay. Supervisor: BVSc Carlos Gómez Medina. Department of Animal Welfare, Zacango Zoo; Toluca, Mex (February, 2019).
Research stay (Master’s program). Supervisor: Dr. Javier Leonardo Rico Rodríguez. Laboratory of Animal Behavior, Konrad Lorenz University Foundation; Bogotá, Colombia (February – March, 2015).