Sentence:  <WSD>Chinchillas</WSD> inhabit high elevations (3,000–5,000m) of the Chilean Andes Mountains. The <WSD>chinchillas</WSD> kept as pet or research animals in North America are all descendentssic of 13 founders wild caught in 1927. 
Meaning of the word marked with <WSD> tags:  Either of two small, crepuscular rodents of the genus "Chinchilla", native to the Andes, prized for their very soft fur and often kept as pets.