The largest species is the giant armadillo (Priodon gigas), measuring nearly a yard long, from the forests of Surinam and Brazil; while one of the smallest is Dasypus minutes, a near ally of the larger D.
The huge glyptodon once inhabited this region, which now possesses the smallest armadillo known, the " quirquincho " or Dasypus minutus.
Of armadillos, commonly called tatu in Brazil, the largest species is the Dasypus gigas, but the best known is the tatu-e'te' (D.
Labiatus), skunk (Mephitis, Spilogale and Conepatus), marten, several species of opossum (including a pigmy species of the Tres Marias islands), sloth, two species of ant-bear (Myrmecophaga tetradactylus and Cyclothurus didactylus), armadillo (Dasypus novemcinctus), a small arboreal porcupine (Synetheres mexicanus), the kinkajou (Cercoleptes caudivolvulus), three species of deer - the white-tailed Cariacus toltecus, the little black-faced brocket, Coassus rufinus, which is also found in Brazil, and the Sonora deer (Odocoileus couesi) - the Mexican bighorn (Ovis mexicanus) of Chihuahua, at least two species of hare (Lepus calotis and L.
There are two species of the Edentata, Dasypus and Pichiciego, the latter very rare, and one of the opossums. European animals, such as horses, cattle, sheep, swine and goats, have been introduced into the country and do well.