Founded in 1951, The Nature Conservancy is the world’s leading conservation organization. One of the flagship projects of their Nebraska office, The Niobrara Valley Preserve, is roughly 60,000 acres, which makes it one of their largest preserves worldwide. Home to a recorded 581 plant, 213 bird, 86 lichen, 70 butterfly, 44 mammal (including bison herds), 25 fish, 17 reptile, and 8 amphibian species, the preserve’s mission is conservation, scientific research, and education.