The taxonomy of this list is based on my global mammalwatching checklist, available here. As at August 7 2026 PLATYPUSES (ORNITHORHYNCHIDAE) (1/1) Platypus (Ornithorhynchus anatinus) ECHIDNAS (TACHYGLOSSIDAE) (2/4) Short-beaked Echidna (Tachyglossus aculeatus) Western Long-beaked Echidna (Zaglossus bruijnii) OPOSSUMS (DIDELPHIDAE) (25/128) Derby’s Woolly Opossum (Caluromys derbianus) Brown-eared Woolly Opossum (C.lanatus) Bare-tailed Woolly Opossum (C.philander) Water Opossum (Chironectes … Continue reading Jon’s life list