In our YouTube live on Sunday, the contest question was:
Of all the spiral antelopes in South Africa, which female/s has horns?
The answer was: ELAND (you can see in the photos that the horns are longer and thinner than those of the male eland).
The winner was: ARIEL FERREYRA

Wikipedia link for information: https://es.wikipedia.org/wiki/Taurotragus_oryx