The term 'antelope endangered' is represented by five crossword solutions: ELAND (5 letters), GNU (3 letters), ORYX (4 letters), NENE (4 letters), and SEI (3 letters). ELAND is a species of antelope native to Africa, and the GNU is an African antelope that is the second largest living land mammal. ORYX is a species of antelope found in Africa and the Arabian Peninsula, and the NENE is a species of goose endemic to Hawaii. Lastly, the SEI is a species of antelope found in East Africa. All five of these species are considered endangered due to habitat loss, poaching, and other human activities.