National resolution of threatened species in Colombia: errors, omissions and the need for a systematic and participatory process. Distribution of the Andean Night Monkey Aotus lemurinus in the department of Quindío, Colombia. Opportunistic predation on Turdus grayi (Passeriformes: Turdidae) by Dasyprocta punctata (Rodentia: Dasyproctidae) in San Vito, Costa Rica. Suburban presence of Puma concolor (Carnivora: Felidae) in the canton of San Ramón, Alajuela, Costa Rica. Mammalian bones (Carnivora: Canidae, Artiodactyla: Cervidae and Lagomorpha: Leporidae) in a cultural reservoir off the coast of Jalisco, Mexico. First inventory of small non-flying mammals of the Cueva de los Guacharos National Natural Park (Huila, Colombia). Rapid ecological assessment of mammals from a locality of middle basin at Palmar River, Zulia state, Venezuela. Incidental records of mammals from Leguízamo, Putumayo, Amazon region at southern border of Colombia. Observations on the diet and behavior of captive Monodelphis (Mygalodelphys) kunsi Pine, 1975 (Didelphimorphia: Didelphidae) from Paraguay. Results of Cooperation Agreement No. 17 -16- 062-022CE between the Alexander von Humboldt Biological Resources Research Institute (IAvH) and the Colombian Society of Mastozoology (SCMas)