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| English | French |
| four-banded mining bee | halicte des sillons à quatre bandes (Halictus quadricinctus) |
| four-bearded rockling | motelle à quatre barbillons (Onos cimbrius) |
| four-eyed opossum | quatre-oeil (Metachirops opossum) |
| four-horned antelope | tétracère (Tetracerus quadricornis) |
| four-spotted libellula | libellule à quatre taches (Libellula quadrimaculata) |