The collection of mammals at the NTNU University Museum dates back to the 1870's. The collections also includes a small historic collection of mammals origining from all over the world. The mammal collection contains mounted objects, skeletons, skulls, antlers and ethanol preserved objects. From the latest years there are also preserved tissue samples of almost all new objects. These samples are stored at -80 degrees C. Todays collection covers most of the mammalian species found in Norway. The geographic coverage of the objects in this collection is mainly Norwegian mainland. Within Norway the majority of objects collected origins from central Norway.