The endangered Pyrenean grey partridge (Perdix perdix hispaniensis) comes from the Pyrenees mountains, its native habitat, and its scientific name, Perdix perdix. The genus name Perdix is Latin for "partridge," which is derived from the Ancient Greek word perdix, also meaning "partridge". The common name "grey partridge" describes its colouration and distinguishes it from other types of partridges, such as the red-legged partridge. The Pyrenean Grey Partridge is specifically adapted to mountain shrublands in the Pyrenees, Cantabrian Mountains, and Iberian System, spanning parts of Spain, France, and Andorra, whereas the general grey partridge is found in more open farmland habitats across Europe and Asia. Grey partridges can lay the largest clutches of any bird, with females typically laying between 12 and 18 eggs, but sometimes more.
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