Friends and visitors, you are contributing to the field guide of plants and animals found at William B. Ide Adobe State Historic Park. William B. Ide Adobe State Historic Park is well-known for its fascinating history of the California pioneer history, and the Sacramento River creates excellent habitat for many beautiful plants and different wildlife. Please help us by adding your observations to make a more complete natural history field guide for the park. If possible, please identify your observations and we can share them others.