Muskox Identification Quiz 1: Only male muskox have black on horn tips. True False 2: What age/sex is this muskox? Mature bull Mature cow 2 year old bull 3 year old cow 3: What age/sex is the muskox on the left? Mature bull Mature cow Immature cow Immature bull 4: What sex is the muskox on the left? Immature bull with yearlings Mature cow with yearlings Yearling with calves None of the above 5: What age/sex is this muskox? Mature bull (4-year or older) Mature cow (4-year or older) 3 year old cow 3 year old bull 6: What age/sex is this muskox? Mature bull Mature cow I do not know Immature bull 7: Is this a cow or a bull? Cow Bull 8: What age/sex is this muskox? Mature bull Mature cow I do not know Immature bull 9: What age/sex is the muskox in the middle? Three year old cow Mature cow Three year old bull Mature bull 10: Is this a mature cow or mature bull? Mature cow Mature bull Facebook Twitter Google+ Reddit