Title:Primer registro de una picadura causada por un macho de Latrodectus geometricus C. L. Koch, 1841 (Araneae: Theridiidae) / First record of a bite produced by a male of Latrodectus geometricus C. L. Koch, 1841 (Araneae: Theridiidae)
Title:A new species of Liolaemus of the archeforus group from the precordilleran valley of the Zeballos river, Santa Cruz Province, Argentina (Reptilia, Tropiduridae)
Title:A new species of Liolaemus of the bibroni group from granitic ravines of Achiras, Sierra de Comechingones, Córdoba, Argentina (Reptilia: Tropiduridae)
Title:Ecological determinants of Tyrannus flycatcher nestling growth at northand south-temperate latitudes / Determinantes ecológicos del crecimiento del pichón de Tyrannus flycatcher en latitudes templadas del norte y del sur