* Many species: There are over 20 species of kangaroo rats, each with its own range and population.
* Wide distribution: These species are found across much of western North America, from southern Canada to Mexico.
* Fluctuating populations: Like all wild animals, kangaroo rat populations fluctuate due to factors like weather, food availability, and predators.
Instead of a single number, we can talk about general trends:
* Overall, many kangaroo rat species are considered to be of "Least Concern" in terms of conservation status. This means their populations are relatively stable and not at immediate risk.
* However, some species are more threatened than others due to habitat loss, drought, or other factors.
If you're interested in the population of a specific species of kangaroo rat, you'll need to research that species specifically.