Fertility in the male common shrews, Sorex araneus, from the extremely narrow hybrid zone between chromosome races Katarzyna A. JadwiszczakAgata Banaszek Original investigation 16 November 2019 Pages: 257 - 267
A taxonomic revision of the tigers (Panthera tigris) of Southeast Asia Ji H. MazákColin P. Groves Original investigation 16 November 2019 Pages: 268 - 287
Geometric morphometric analysis of geographic variation in the Río Negro tuco-tuco, Ctenomys rionegrensis (Rodentia: Ctenomyidae) Alejandro D’AnatroEnrique P. Lessa Original investigation 16 November 2019 Pages: 288 - 298
Early reproductive onset in the white-eared opossum, Didelphis albiventris Lund, 1840 (Didelphimorphia, Didelphidae) D. AstúaLena Geise Short communication 16 November 2019 Pages: 299 - 303
Variation in the food-niche width of Gracilinanus microtarsus (Didelphimorphia: Didelphidae) in a cerrado remnant in south-eastern Brazil E. G. MartinsV. BonatoS. F. dos Reis Short communication 16 November 2019 Pages: 304 - 308
Rediscovery of Chacodelphys: A South American marsupial genus previously known from a single specimen Pablo TetaUlyses F. J. PardiñasGuillermo D’Elía Short communication 16 November 2019 Pages: 309 - 314
Anti-predator response of Eurasian red squirrels (Sciurus vulgaris) to predator calls of tawny owls (Strix aluco) Christoph Randier Short communication 16 November 2019 Pages: 315 - 318
The Rise of Placental Mammals: Origins and Relationships of the Major Extant Clades P. Langer Book review 16 November 2019 Pages: 320 - 320