Isothrix bistriata (Yellow Crowned Brush Tailed Rat) is a species of rodents in the family American spiny rats. They are found in The Neotropics. They are herbivores.
Definition: The largest scale biogeographic division of the earth's surface based on the historic and evolutionary distribution patterns of plants and animals.
Definition: Single birth offspring quantity. The proportion or number of offspring produced from a single pregnancy (mammals) or ovulation (fish) or nesting (birds).