| English | Spanish |
| Argentine red shrimp | camarón argentino (Pleoticus muelleri) |
| blue and red shrimp | gamba rosada (Aristeus antennatus) |
| Brown needle blight:pine, Needle blight:pine, Red band needle blight:pine, Blight:pine | estriado rojo de las acículas del pino (Cytosporina septospora, Dothistroma pini, Dothistroma septospora, Scirrhia pini) |
| California red scale | cochinilla roja australiana (Aonidiella aurantii) |
| Chinese red | miscanthus |
| Chinese red | caña chinesca |
| common red spidermite | aranuela roja (Tetranychus urticae) |
| common red spidermite | ácaro rajodo (Tetranychus urticae) |
| common red spidermite | ácaro rojo (Tetranychus urticae) |
| common red spidermite | ácaro común (Tetranychus urticae) |
| common red spidermite | aranuela de la patata (Tetranychus urticae) |
| european red mite | arañuela roja pelosa (Metatetranychus pilosus, Metatetranychus ulmi, Oligonychus ulmi, Panonychus ulmi, Paratetranychus pilosus, Tetranychus ulmi) |
| european red mite | arañuela roja europea (Metatetranychus pilosus, Metatetranychus ulmi, Oligonychus ulmi, Panonychus ulmi, Paratetranychus pilosus, Tetranychus ulmi) |
| european red mite | ácaro de los frutales (Metatetranychus pilosus, Metatetranychus ulmi, Oligonychus ulmi, Panonychus ulmi, Paratetranychus pilosus, Tetranychus ulmi) |
| european red mite | arañuela roja (Metatetranychus pilosus, Metatetranychus ulmi, Oligonychus ulmi, Panonychus ulmi, Paratetranychus pilosus, Tetranychus ulmi) |
| Florida red scale | cochinilla (Chrysomphalus aonidum, Chrysomphalus ficus) |
| Florida red scale | escama negra del naranjo (Chrysomphalus aonidum, Chrysomphalus ficus) |
| Florida red scale | escama roja (Chrysomphalus aonidum, Chrysomphalus ficus) |
| Florida red scale | escama roja del Florida (Chrysomphalus aonidum, Chrysomphalus ficus) |
| Florida red scale | circular negra (Chrysomphalus aonidum, Chrysomphalus ficus) |
| fruit tree red spider mite | arañuela roja pelosa (Metatetranychus pilosus, Metatetranychus ulmi, Oligonychus ulmi, Panonychus ulmi, Paratetranychus pilosus, Tetranychus ulmi) |
| fruit tree red spider mite | arañuela roja europea (Metatetranychus pilosus, Metatetranychus ulmi, Oligonychus ulmi, Panonychus ulmi, Paratetranychus pilosus, Tetranychus ulmi) |
| fruit tree red spider mite | arañuela roja (Metatetranychus pilosus, Metatetranychus ulmi, Oligonychus ulmi, Panonychus ulmi, Paratetranychus pilosus, Tetranychus ulmi) |
| fruit tree red spider mite | ácaro de los frutales (Metatetranychus pilosus, Metatetranychus ulmi, Oligonychus ulmi, Panonychus ulmi, Paratetranychus pilosus, Tetranychus ulmi) |
| greenhouse red spider mite | ácaro rojo (Tetranychus urticae) |
| greenhouse red spider mite | aranuela roja (Tetranychus urticae) |
| greenhouse red spider mite | ácaro común (Tetranychus urticae) |
| greenhouse red spider mite | ácaro rajodo (Tetranychus urticae) |
| greenhouse red spider mite | aranuela de la patata (Tetranychus urticae) |
| hop red spider mite | ácaro común (Tetranychus urticae) |
| hop red spider mite | aranuela roja (Tetranychus urticae) |
| hop red spider mite | ácaro rojo (Tetranychus urticae) |
| hop red spider mite | ácaro rajodo (Tetranychus urticae) |
| hop red spider mite | aranuela de la patata (Tetranychus urticae) |
| mangrove red snapper | pargo de mangle (Lutjanus argentimaculatus) |
| Moussier's red-start | colirrojo diademado (Phoenicurus moussieri) |
| red algae | feofíceas |
| red algae | algas rojas |
| red and pink corals | coral (Coralliidae) |
| red ant | hormiga rojonegra (Formica rufa) |
| red-backed shrike | alcaudón dorsirrojo (Lanius collurio) |
| red bait | ascidia estolonífera (Pyura stolonifera) |
| red bait | piura (Pyura stolonifera) |
| red band disease | estriado rojo de las acículas del pino (Cytosporina septospora, Dothistroma pini, Dothistroma septospora, Scirrhia pini) |
| red bandfish | pez cinta (Cepolidae) |
| red bandfish | agujeta balaju (Cepolidae) |
| red-billed toucan | tucán piquirrojo (Pteroglossus tucanus) |
| red-breasted flycatcher | papamoscas papirrojo (Ficedula parva, Muscicapa parva) |
| red-breasted goose | barnacla cuelliroja (Branta ruficollis) |
| red-breasted merganser | serreta mediana (Mergus serrator) |
| red-capped lark | terrera común (Calandrella brachydactyla, Calandrella cineria) |
| red-collared whydah | viuda negra (Niobella ardeus, niobella ardeus) |
| red-collared whydah | Latrodectus (Niobella ardeus, niobella ardeus) |
| red coral | coral rojo (Corallium rubrum) |
| red-crested pochard | pato colorado (Netta rufina) |
| red currant aphid | pulgón del grosellero (Aphis ribis, Capitophorus ribis, Cryptomyzus ribis) |
| red currant blister aphid | pulgón del grosellero (Aphis ribis, Capitophorus ribis, Cryptomyzus ribis) |
| red deer | ciervo común (Cervus elaphus) |
| red deer | venado (Cervus elaphus) |
| red-eye round herring | sardineta canalera (Etrumeus teres) |
| red fescue | festuca roja (Festuca rubra) |
| red fescue | fleo de los prados (Festuca rubra) |
| red-flanked bleu-tail | coliazul cejiblanco (Tarsiger cyanurus) |
| red flowered cotton | algodonero arborescente (Gossypium arboreum, Gossypium spp.) |
| red flowered cotton | árbol del algodón (Gossypium arboreum, Gossypium spp.) |
| red-footed falcon | cernícalo patirrojo (Falco vespertinus) |
| red fruits | frutas rojas |
| red grouper | mero americano (Epinephelus morio) |
| red grouse | lagópodo escocés (Lagopus lagopus hibernicus, Lagopus lagopus scoticus) |
| red grouse | lagópodo escandinavo (Lagopus lagopus hibernicus, Lagopus lagopus scoticus) |
| red gurnard | arete (Aspitrigla cuculus, Trigla cuculus) |
| red hake | locha roja (Urophycis chuss) |
| red harvester ant | hormiga cosechadora de Texas (Pogonomyrmex barbatus) |
| red-headed bunting | escribano carirrojo (Emberiza bruniceps) |
| Red Kangaroo | canguro rojo |
| red kite | milano real (Milvus milvus) |
| red maple | arce rojo americano (Acer rubrum) |
| red mite | arañuela roja pelosa (Metatetranychus pilosus, Metatetranychus ulmi, Oligonychus ulmi, Panonychus ulmi, Paratetranychus pilosus, Tetranychus ulmi) |
| red mite | arañuela roja (Metatetranychus pilosus, Metatetranychus ulmi, Oligonychus ulmi, Panonychus ulmi, Paratetranychus pilosus, Tetranychus ulmi) |
| red mite | arañuela roja europea (Metatetranychus pilosus, Metatetranychus ulmi, Oligonychus ulmi, Panonychus ulmi, Paratetranychus pilosus, Tetranychus ulmi) |
| red mite | ácaro de los frutales (Metatetranychus pilosus, Metatetranychus ulmi, Oligonychus ulmi, Panonychus ulmi, Paratetranychus pilosus, Tetranychus ulmi) |
| red mullets | salmonetes (Mullidae, Mullus spp.) |
| red-necked grebe | somormujo cuellirrojo (Podiceps griseigena) |
| red-necked nightjar | chotacabras pardo (Caprimulgus ruficollis) |
| red-necked phalarope | falaropo picofino (Phalaropus lobatus) |
| red pandora | breca (Pagellus bellottii) |
| red pepper mite | ácaro rojo (Pygmephorus spp., Pediculoides stercoricola) |
| red periwinkle | vinca pervinca (Catharanthus roseus, Lochnera rosea, Vinca rosea) |
| red periwinkle | flor de príncipe (Catharanthus roseus, Lochnera rosea, Vinca rosea) |
| red periwinkle | hierba doncella (Catharanthus roseus, Lochnera rosea, Vinca rosea) |
| red periwinkle | no-me-dejes (Catharanthus roseus, Lochnera rosea, Vinca rosea) |
| red periwinkle | dominica (Catharanthus roseus, Lochnera rosea, Vinca rosea) |
| red porgy | pargo (Sparus pagrus) |
| red sea squirt | piura (Pyura chilensis) |
| red sea squirt | ascidia de Chile (Pyura chilensis) |
| red seabream | besugo (Pagellus bogaraveo, Pagellus centrodontus) |
| red snake-bark maple | arce rojo japonés de corteza serpentina (Acer capillipes) |
| red spider | arañuela roja pelosa (Metatetranychus pilosus, Metatetranychus ulmi, Oligonychus ulmi, Panonychus ulmi, Paratetranychus pilosus, Tetranychus ulmi) |
| red spider | arañuela roja europea (Metatetranychus pilosus, Metatetranychus ulmi, Oligonychus ulmi, Panonychus ulmi, Paratetranychus pilosus, Tetranychus ulmi) |
| red spider | ácaro de los frutales (Metatetranychus pilosus, Metatetranychus ulmi, Oligonychus ulmi, Panonychus ulmi, Paratetranychus pilosus, Tetranychus ulmi) |
| red-spotted bluethroat | pechiazul medalla roja (Luscinia svecica svecica) |
| red spotted scale | cochinilla (Chrysomphalus aonidum, Chrysomphalus ficus) |
| red spotted scale | escama negra del naranjo (Chrysomphalus aonidum, Chrysomphalus ficus) |
| red spotted scale | escama roja (Chrysomphalus aonidum, Chrysomphalus ficus) |
| red spotted scale | circular negra (Chrysomphalus aonidum, Chrysomphalus ficus) |
| red spotted scale | escama roja del Florida (Chrysomphalus aonidum, Chrysomphalus ficus) |
| red-spotted shrimp | langostino brasileño (Penaeus brasiliensis) |
| red steenbras | dentón rupestre (Petrus rupestris) |
| red swamp crawfish | cangrejo de río rojo (Procambarus clarki, Procambarus clarkii) |
| red tail moth | bómbix pudibundo (Calliteara pudibunda, Dasychira pudibunda, Olene pudibunda) |
| red-throated diver | colimbo chico (Gavia stellata, olymbus stellatus) |
| red-throated thrush | zorzal papirrojo (Turdus ruficollis ruficollis) |
| red-vented cockatoo | cacatúa de vientre rojo (Cacatua haematuropygia) |
| Tomato bacterial spot, Pepper bacterial spot, Red pepper leaf spot, Tomato leaf spot, Tomato stem canker | sarna bacteriana del tomate (Pseudomonas vesicatoria, Xanthomonas campestris pv. vesicatoria, Xanthomonas vesicatoria) |
| Tomato bacterial spot, Pepper bacterial spot, Red pepper leaf spot, Tomato leaf spot, Tomato stem canker | mancha bacterial del tomate (Pseudomonas vesicatoria, Xanthomonas campestris pv. vesicatoria, Xanthomonas vesicatoria) |
| Turkey red | rubia (Rubia tinctorum) |
| Turkey red | garanza (Rubia tinctorum) |
| Usa:red-throated loon | colimbo chico (Gavia stellata, olymbus stellatus) |
| Usa: red-wacked sandpiper | correlimos común (Calidris alpina) |
| western red cedar | tuya gigante (Thuja plicata) |
| western red cedar | árbol de la vida gigante (Thuja plicata) |
| western red cedar | cedro rojo del Pacífico (Thuja plicata) |
| Western red cedar | libocedro (Libocedrus decurrens) |
