Find the odd number / letters / word from the given alternative.

The odd one out is C, Ass. The other four options are all animals that are commonly used as pack animals. Asses are not typically used as pack animals, although they can be used for this purpose in some cases.

Bullock is a male cattle that has been castrated. Giraffes are the tallest living terrestrial animals. Camels are large, even-toed ungulates that are native to Africa, Asia, and Australia. Donkeys are domesticated members of the horse family that are closely related to horses and mules.