| Latin | English | Esperanto |
|---|---|---|
| Macropiper excelsum | kawakawa | makropipro |
| Macropus | kangaroo | kanguruo |
| Macropus | wallaby | valabio |
| Macropus | wallaroo | kanguruo |
| Macropus antilopinus | antilopine wallaroo | antilopa valaruo |
| Macropus dorsalis | black-stripe wallaby | nigrastria valabio |
| Macropus fuliginosus | western grey kangaroo | fulga kanguruo |
| Macropus giganteus | eastern grey kangaroo | griza kanguruo |
| Macropus robustus | common wallaroo | nigra valaruo |
| Macropus rufogriseus | red-neck wallaby | rufkola valabio |
| Macropus rufus | red kangaroo | rufa kanguruo |
| Makaira indica | black marlin | nigra ksifio |
| Makaira nigricans | blue marlin | blua ksifio |
| Malurus | fairywren | maluro |
| Malurus assimilis | variegated wren | bunta maluro |
| Malurus cyaneus | superb-blue wren | helblua maluro |
| Malurus melanocephalus | red-back wren | ruĝdorsa maluro |
| Malurus splendens | splendid wren | purpura maluro |
| Manorina melanophrys | bell miner | sonorila manorino |
| Megadyptes antipodes | yellow-eye penguin | flavokula pingveno |
| Melaleuca | paperbark | melaleŭko |
| Melaleuca alternifolia | tea-tree paperbark | alternfolia melaleŭko |
| Melaleuca ericifolia | swamp paperbark | erikfolia melaleŭko |
| Melaleuca leucadenron | longleaf paperbark | longfolia melaleŭko |
| Melaleuca linariifolia | narrowleaf paperbark | stretfolia melaleŭko |
| Melaleuca quinquenervia | broadleaf paperbark | larĝfolia melaleŭko |
| Melaleuca squarosa | scented paperbark | skvamfolia melaleŭko |
| Melaleuca stypheloides | prickly-leaf paperbark | pikfolia melaleŭko |
| Meliphaga lewinii | lewin honeyeater | flavorela melifago |
| Melopsittacus undulatus | budgerigar; budgie | melopsitako ; buĝerigo |
| Menura | lyrebird | menuro |
| Menura alberti | albert lyrebird | norda menuro |
| Menura novaehollandiae | superb lyrebird | suda menuro |
| Metrosideros excelsa | pohutukawa | apudmara metrosidero |
| Microeca | flycatcher | mikroeko |
| Microeca flavigaster | lemon-breasted flycatcher | limonbrusta mikroeko |
| Microeca leucophaea | brown flycatcher; jacky winter | bruna mikroeko |
| Mirounga leonina | elephant seal | giganta foko |
| Mohoua albicilla | whitehead | blankkapa mohuo |
| Mohoua ochrocephala | yellowhead | flavkapa mohuo |
| Moloch horridus | thorny devil | moloko |
| Morelia variegata | carpet snake | Aŭstralia pitono |
| Morinda citrifolia | noni tree | morinda arbo |
| Myoporum insulare | boobialla | bubialo |
| Myoporum laetum | ngaio | punktara mioporo |
| Myosotidium hortensia | Chatham Island forget-me-not | granda miozoto |
| Myosotis australis | Australian forget-me-not | Aŭstralia miozoto |
| Myrmecia brevinoda | bull ant | soldatformiko |
| Myrmecobius fasciatus | numbat | mirmekobo |
| Mystacina tuberculata | bat; pekapeka | Novzelanda vesperto |