Tsundere is a pretty common term used in the anime community but there are still many who don't know what is actually means. Tsundere is actually a term derived by fans to classify a type of anime character that is becoming more common, usually a female lead.
Throughout the Corps more than 4,000-mile journey, Captains Lewis and Clark recorded 178 plants and 122 animals not previously known to science. Lewis recorded and pressed and preserved some 240 different plant species and brought them back to Washington, along with hundreds of animal and bird skins and skeletons.
The winter of 1805 was spent in North Dakota. The Lewis and Clark Expedition of the Louisiana Purchase kept detailed maps and diaries, studying the animals, plants, terrain and the Indians that they encountered. On April 7, 1805 the Lewis and Clark Expedition set out in two pirogue boats and six canoes up the Missouri River.