The taxonomy of this list is based on my global mammalwatching checklist, available here. As at April 23 2025 PLATYPUSES (ORNITHORHYNCHIDAE) (1/1)Platypus (Ornithorhynchus anatinus)ECHIDNAS (TACHYGLOSSIDAE) (2/4)Short-beaked Echidna (Tachyglossus aculeatus)Western Long-beaked Echidna (Zaglossus bruijnii)OPOSSUMS (DIDELPHIDAE) (21/126)Derby’s Woolly Opossum (Caluromys derbianus)Brown-eared Woolly Opossum (C.lanatus)Bare-tailed Woolly Opossum (C.philander)Water Opossum (Chironectes minimus)Brazilian White-eared Opossum (Didelphis albiventris)Southern Black-eared Opossum (D.aurita)Northern Black-eared … Continue reading Jon’s life list