Mammals of Washington, Volume 2university of Kansas Publications Museum of Natural History

A scientific publication written in the mid-20th century. This work dives into the study of mammals in the state of Washington, exploring their distribution, ecological habitats, and evolutionary background in light of the geographical and climatic factors impacting the region. It serves as a detailed resource for both naturalists and zoologists interested in the unique mammalian faunas that have developed in this ecologically diverse area. The opening of the book lays the groundwork for an in-depth examination of Washington's mammalian species by discussing the geological history and the effects of glaciation on local fauna. It highlights the uniqueness of the state's current mammalian inhabitants, many of whom are relatively recent immigrants following the retreat of glaciers. The author introduces the concept of life zones and physiographic provinces within Washington, underscoring how these parameters influence the distribution and classification of mammal species. This foundational information sets the stage for subsequent chapters detailing specific species and their habitats across various ecological zones.