About This Blog
Cabrillo National Monument protects a unique and diverse landscape thriving with life. Follow our science teams into the field and discover the stories of our park’s natural resources and beyond.
Middens, a window into the past? No kiddin’!
December 13, 2018
Woodrats, also known as packrats, are a pretty common resident in San Diego. These species are known for their large nest composed of plants, shells, and other local materials. These large nests, often overwhelming, have been found to be very helpful to humans. Scientists use part of their nest that is used for waste to look into the past to identify fossils and vegetation composition from thousands of years ago!
Last updated: November 4, 2016