Illustrations of the Birds of California, Texas, Oregon, British and Russian America

"Illustrations of the Birds of California, Texas, Oregon, British and Russian America" by John Cassin is a 19th-century science book, meticulously documenting previously unrecorded North American bird species to become a vital resource for scientists and nature lovers. Following the annexation of Texas and the inclusion of California and New Mexico into the United States, a heightened interest in these regions sparked government expeditions and dedicated scientific collections. The text shares the historical setting of ornithology in North America and recognizes the influence of many naturalists, paving the way for thorough explanations and drawings of bird species.