What animal did Lewis and Clark newly discover during their 1804 expedition up Old Baldy in Nebraska?
Old Baldy (Lynch, Nebraska) Old Baldy, also known as the Tower, is a hill located near the village of Lynch, in Boyd County, in the northern part of the state of Nebraska in the Midwestern United States. It was visited by the Lewis and Clark Expedition on their way up the Missouri River in 1804; nearby, they discovered a colony of prairie dogs, an animal previously unknown to scientists.
Cross River gorilla The Cross River gorilla ("Gorilla gorilla diehli") is a subspecies of the western gorilla ("Gorilla gorilla"). It was named a new species in 1904 by Paul Matschie, a mammalian taxonomist working at the Humboldt University Zoological Museum in Berlin, but its populations were not systematically surveyed until 1987.