| English | German |
| American red mulberry | virginischer Maulbeerbaum (Morus rubra) |
| American red mulberry | roter Maulbeerbaum (Morus rubra) |
| American red raspberry | amerikanische Himbeere (Rubus strigosus) |
| citrus red mite | rote Citrusspinmilbe (Metatetranychus citri, Panonychus citri, Paratetranychus citri) |
| citrus red mite | rote Zitrusmilbe (Metatetranychus citri, Panonychus citri, Paratetranychus citri) |
| citrus red mite | rote Zitrusspinmilbe (Metatetranychus citri, Panonychus citri, Paratetranychus citri) |
| citrus red mite | rote Citrusmilbe (Metatetranychus citri, Panonychus citri, Paratetranychus citri) |
| citrus red spider mite | rote Zitrusmilbe (Metatetranychus citri, Panonychus citri, Paratetranychus citri) |
| citrus red spider mite | rote Citrusspinmilbe (Metatetranychus citri, Panonychus citri, Paratetranychus citri) |
| citrus red spider mite | rote Citrusmilbe (Metatetranychus citri, Panonychus citri, Paratetranychus citri) |
| citrus red spider mite | rote Zitrusspinmilbe (Metatetranychus citri, Panonychus citri, Paratetranychus citri) |
| Costa Rican red brocket | Großmazama (Mazama americana cerasina) |
| creeping red fescue | Ausläufer treibender Rotschwingel (Festuca rubra var. genuina) |
| non-dispersive infra-red analyser | nicht dispersiver Infrarot-Absorptionsanalysator |
| red and yellow barbet | trachyphoneus erythrocephalus |
| red and yellow barbet | Flammenkopfbartvogel (trachyphoneus erythrocephalus) |
| red beetle | Palmenbohrer (Rhynchophorus) |
| red beetle | Palmenruessler (Rhynchophorus) |
| red bigeye | Australischer Großaugenbarsch (Priacanthus macracanthus) |
| red-billed curassow | Blumenbach-Hokko (Crax blumenbachii) |
| red-billed duck | anas erythrorhyncha |
| red-billed duck | Rotschnabelente (anas erythrorhyncha) |
| red-billed quelea | quelea quelea |
| red blood cell | Erythrozyte |
| red blood cell | rote Blutzelle |
| red bone marrow | rotes Knochenmark |
| red bud borer | Okuliermade (Thomasia oculiperda, Thomasiniana oculiperda) |
| red cedar | Amerikanische Bleistiftzeder (Juniperus virginiana) |
| red clover thrips | Kleeblasenfuss (Anthothrips niger, Anthothrips trifolii, Haplothrips niger, Haplothrips statices) |
| red blood corpuscle | Erythrozyte |
| red blood corpuscle | rotes Blutkörperchen |
| red blood corpuscle | rote Blutzelle |
| red blood corpuscle | Erythrozyt |
| red cotton bug | Baumwollwanze (Dysdercus) |
| red count | Erythrozytenzahl |
| red darnel | deutsches Weidelgras (Lolium perenne L.) |
| red deadnettle | Ackertaubnessel (Lamium purpureum) |
| red deer | Rottier |
| red eyebright | roter Zahntrost (Bartsia odontites Huds., Euphrasia odontites L., Odontites rubra, Odontites vulgaris Moench) |
| red-faced pytilia | Rotmaskenastrild (Pytilia hypogrammica) |
| red flour beetle | gemeiner Dreispitzkaefer (Tribolium castaneum, Tribolium ferrugineum, Tribolium navale) |
| red flour beetle | rotbrauner Reismehlkaefer (Tribolium castaneum, Tribolium ferrugineum, Tribolium navale) |
| red flour beetle | Reismehlkaefer (Tribolium castaneum, Tribolium ferrugineum, Tribolium navale) |
| red-fronted tinker-bird | pogoniulus pusillus |
| red-fronted tinker-bird | Feuerstirnbartvogel (pogoniulus pusillus) |
| red gamasid mite | Raubmilbe |
| red goosefoot | roter Gaensefuss (Chenopodium rubrum L.) |
| red heart | Rotkern |
| red heart | Rotfäule |
| red heart | Falschkern |
| red hempnettle | schmalblaettriger Hohlzahn (Galeopsis angustifolia Ehrh.) |
| red juniper | Amerikanische Bleistiftzeder (Juniperus virginiana) |
| red-knobbed coot | Kammblesshuhn (Fulica cristata) |
| red lauan | Rotes Lawan (Shorea polysperma) |
| red lauan | Red Lauan (Shorea polysperma) |
| red lauan | Rotes Lauan (Shorea polysperma) |
| red louro | Red louro (Ocotea rubra) |
| red louro | Louro vermelho (Ocotea rubra) |
| red marrow | rotes Knochenmark |
| red mildew | Mehltau des Hopfens (Sphaerotheca humuli) |
| red mildew | Hopfenschimmel (Sphaerotheca humuli) |
| red mite of poultry | Huehnermilbe (Dermanyssus avium, Dermanyssus gallinae) |
| red mombin | rote (Spondias purpurea) |
| red mulberry | virginischer Maulbeerbaum (Morus rubra) |
| red plum maggot | Pflaumenwickler (Grapholitha funebrana, Laspeyresia funebrana) |
| red poplar leaf beetle | roter Pappelblattkaefer (Chrysomela populi, Lina populi, Melasoma populi) |
| red rice root aphid | Reiswurzellaus (Cerosipha subterranea, Rhopalosiphon rufiabdominalis, Rhopalosiphum avenae, Rhopalosiphum oryzae, Rhopalosiphum rufiabdomianle, Rhopalosiphum rufiabdominale, Toxo ptera rufiabdominalis, Yamataphis oryzae, Yamataphis papanris) |
| red rose maggot | dreipunktiger Rosenwickler (Epiblema cynosbatella, Epiblema treipunctana, Eucosoma cynosbatella, Eucosoma tripunctana, Pardia cynosbatella) |
| red rose maggot | dreigepunkteter Rosenwickler (Epiblema cynosbatella, Epiblema treipunctana, Eucosoma cynosbatella, Eucosoma tripunctana, Pardia cynosbatella) |
| red seaweed | Rotalgen (Rhodophyceae) |
| red siskin | Kapuzenzeisig (Spinus cucullatus) |
| red spider | rote Spinne (Tetranychidae) |
| red spider | Spinnmilbe (Tetranychidae) |
| red stainer | Rotwanze (Dysdercus) |
| red star thistle | Stern-Flockenblume (Centaurea calcitrapa L.) |
| red stumpnoses | Stumpfnasenbrassen (Chrysoblephus spp.) |
| red tjor tjor | Natal-Meerbrasse (Pagellus natalensis (Steindachner)) |
| red turnip beetle | roter Rapsblattkaefer (Entomoscelides adonidis, Entomoscelis adonidis) |
| red turnip beetle | gestreifter Rapsblattkaefer (Entomoscelides adonidis, Entomoscelis adonidis) |
| rust red flour beetle | rotbrauner Reismehlkaefer (Tribolium castaneum, Tribolium ferrugineum, Tribolium navale) |
| rust-red grain beetle | rotbrauner Leistenkopfplattkaefer (Cryptolestes ferrugineus) |
| spanish red scale | rote Mittelmeerschildlaus (Chrysomphalus dictyospermi, Chrysomphalus diversicolor, Chrysomphalus pinnulifer, Chrysomphalus pinnulifera) |
| Usa: red crossbill | Fichtenkreuzschnabel (Loxia curvirostra) |
