Pack rat

Pack rats, also known as woodrats, are intriguing rodents belonging to the genus Neotoma. Resembling typical rats but generally larger, these creatures possess long tails, prominent ears, and large, black eyes. Common species include the white-throated woodrat, Bryant's woodrat, desert woodrat, and bushy-tailed woodrat. These animals inhabit diverse environments, ranging from deserts to forests, where they create elaborate nests using twigs and other materials.

One of the most captivating aspects of pack rats is their collecting behavior. They avidly gather plant materials and shiny objects to incorporate into their nests. Although they can be quite vocal, they may become problematic if they decide to settle in human dwellings. Their diet varies by species; some feed on vegetation, while others prefer seeds and fruits. Their size also differs based on species and habitat.

In terms of reproduction, pack rats are remarkably prolific. They can produce multiple litters annually, with several offspring per litter. These young are born hairless and helpless, cared for in nests known as middens. Middens are essentially piles of debris that woodrats meticulously assemble, sometimes preserving materials for thousands of years. These structures are invaluable to scientists. Zoologists and paleobotanists study middens to gain insights into past environments and climate change. The data derived from middens has been instrumental in advancing our understanding of natural history and climate change indicators.