120940
In 2011 , the planned repair of the road was abruptly terminated , due to concern of high future maintenance costs , and potential impact on the local bighorn sheep population .
 bighorn sheep
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 bighorn sheep