Cool new study by Smithsonian postdoctoral research fellow, Mariana Muñoz-Romo, professor at the Laboratorio de Zoología Aplicada, Departamento de Biología, Facultad de Ciencias, Universidad de Los Andes, Venezuela. Mariana arrived in Panama in September 2019. Her passions is sexually dimorphic traits in bats, particularly those used in chemical communication. She just completed an outstanding review on this subject, illustrated by Damond Kyllo, above.