![]() ![]() While most species have stable populations, some do face threat of extinction. Across the various species, humans view them as pests, particularly because of their tendency to build nests in or near buildings. People in some areas catch and eat these rodents. Humans and packrats interact quite frequently. When food is plentiful, they store extra within their middens for later use. Some of the different plant parts that they feed on include leaves, nuts, berries, roots, fruits, cactus, and more. This means that they eat a variety of different plants. These creatures are primarily herbivores. Many occupy vast expanses, while others live in just a small region. Each has its own unique range and distribution. Some species extend north into Canada, and others extend south into Mexico. Though different species live across North America, the greatest number of different species live in the western United States. Some even build their dens under sheds or in the walls of buildings. Many species also live near farms, parks, gardens, and other human habitations. Other species live in mountainous forests or tropical regions. Some species prefer arid regions, like deserts and sand dunes. Though the various species live in many different types of ecosystems, each species typically sticks to a single habitat. They preserve plant fossils for thousands of years, allowing scientists to estimate the contents of the ecosystem at that time.ĭifferent species live in different types of habitats.
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