The California Black Oak (Quercus kelloggii) is a deciduous tree native to the western United States, primarily found in California. It typically grows in mixed conifer forests and can reach heights of 50 to 80 feet. The tree is known for its distinctive dark bark and lobed leaves that turn vibrant colors in the fall. This oak species produces acorns that are an important food source for various wildlife, including deer and birds. The California Black Oak thrives in well-drained soils and is often associated with other trees like the Ponderosa Pine (Pinus ponderosa) and Giant Sequoia (Sequoiadendron giganteum).