Eld’s deer | Smithsonian’s National Zoo and Conservation Biology Institute https://nationalzoo.si.edu/animals/elds-deer
The Eld’s deer, also known as the brow-antlered deer, is an endangered species indigenous to Southeast Asia. The species was discovered in the Manipur Valley of India in 1838 by Lieutenant Percy Eld, a British officer.
Stags tend to have darker coloring than hinds and possess a thick mane of long hair