| Subject | English | Spanish |
| nat.sc. | black-eared wheatear | collalba rubia (Oenanthe hispanica) |
| environ., nat.res. | brown-eared pheasant | hoki pardo (Crossoptilon mantchuricum) |
| health. | ear defender | tapaorejas |
| life.sc., agric. | ear emergence | espigar |
| med. | ear-level aid | retroauricular |
| health. | ear muff | tapaorejas |
| ichtyol. | eared ark | arca auriculada Anadara notabilis, A. deshayesi |
| ichtyol. | eared ark | arca orejona Anadara notabilis, A. deshayesi |
| environ., nat.res. | eared seals | otáridos (Otariidae) |
| nat.sc., agric. | eared seals | focas (Otariidae) |
| environ., nat.res. | lesser rabbit-eared bandicoot | bandicot-conejo de cola blanca (Macrotis leucura) |
| nat.res. | Long-eared flying squirrel | ardilla voladora enana (Idiurus macrotis) |
| life.sc., environ. | long-eared flying squirrel | ardilla voladora enana (Idiurus macrotis) |
| ornit. | long eared owl | búho chico (Asio otus) |
| nat.res. | long-eared owl | búho chico (Asio otus) |
| nat.sc., agric. | long-eared pig | raza de orejas grandes |
| environ., nat.res. | rabbit-eared bandicoot | bandicot-conejo (Macrotis lagotis) |
| nat.res. | short-eared owl | lechuza campestre (Asio flammeus) |
| nat.sc., agric. | short-eared pig | raza de orejas cortas |
| nat.sc., environ. | Tenerife long-eared bat | orejudo canario (Plecotus teneriffae) |
| nat.res. | Usa:eared grebe | zampullín cuellinegro (Podiceps caspicus, Podiceps nigricollis) |
| environ., nat.res. | white-eared marmoset | callitrix de orejas blancas |
| environ. | white-eared marmoset Buffy-tufted-ear marmoset | callitrix de orejas blancas (Callithrix jacchus aurita) |
| environ., nat.res. | white eared-pheasant | hoki blanco (Crossoptilon crossoptilon) |
| life.sc., environ. | white-eared pheasant, Tibetan-eared pheasant | hoki blanco (Crossoptilon crossoptilon) |