A "mara" or Patagonian cavy (Dolichotus patagonum) has long legs and ears, so has been misnamed as a "hare".

But it is not a rabbit relative.  It is a rodent related to guinea pigs and capybaras.

(Punta Norte, Valdez Peninsula, Argentina)

mammal; rodent; cavy; Patagonian mara; Rodentia; subO Hystricomorpha; parvO Caviomorpha; Caviidae; subF Dolichotinae; Dolichotus patagonum