PACA, the Brazilian name for a large, heavily-built, shorttailed rodent mammal, easily recognized by its spotted fur.
COYPU, the native name of a large South American aquatic rodent mammal, known very generally among European residents in the country as nutria (the Spanish word for otter) and scientifically as Myocastor (or Myopotamus) coypu.
LEMMING, the native name of a small Scandinavian rodent mammal Lemmus norvegicus (or L.
Those of any other burrowing mammal, the retina being reduced to a mass of simple cells, and the cornea and sclerotic ("white") to a pearshaped fibrous capsule enclosing a ball of pigment.
The common use of the word animal as the equivalent of mammal, as opposed to bird or reptile or fish, is erroneous.