by TheLionPrince » March 17th, 2015, 2:49 am
Simba mentions the consumption of antelope during Mufasa's teaching of the Circle of Life when he said, "But, Dad, don't we eat the antelope?" In Simba's Pride, Kiara starts her first hunt on a herd of Rhim gazelles (gazelles fall within the antelope species) so it's safe to assume the lions mostly prefer zebras and antelopes in their diet.
Giraffes and elephants wouldn't be too high on their diet unless they reach that point of desperation of having to consume one. They would mostly pursue the calves if they fall behind from the herd and are capable of being taken down, or the more older and sickly ones. So, it's difficult to pinpoint a specific preference of meat within the films since there's little screentime devoted to it so I assume the lions select their choice of meat based on the herd's availability.