| Latin | English | Esperanto |
|---|---|---|
| Rallus | rail | ralo |
| Rallus aquaticus | water rail | akva ralo |
| Rallus pectoralis | Lewin's rail; water rail | grizbrusta ralo |
| Rallus philippensis | banded rail | fulvzona ralo |
| Rattus exulans | kiore | Pacifika rato |
| Rhagodia spinescens | spiny saltbush | ragodio |
| Rhipidura fuliginosa | grey fantail | fulga ripiduro |
| Rhipidura leucophrys | willie wagtail | svingvosta ripiduro |
| Rhipidura rufifrons | rufous fantail | ruffrunta ripiduro |
| Rhipidura rufiventris | northern fantail | rufventra ripiduro |
| Rhipogonum scandens | supplejack | ripogono |
| Rhizophora | mangrove | manglo |
| Rhizophora stylosa | red mangrove | ruĝa manglo |
| Rhombosolea tapirina | flounder | verda fleso |
| Rhopalostylis sapida | nikau | Novzelanda palmo |
| Rostratula benghalensis | painted snipe | rostratula galinago |
| Rubus cissoides | bush lawyer | kroĉrubuso |
| Rubus fruticosus | blackberry | frukta rubuso |
| Rubus hillii | bush lawyer | kroĉrubuso |