Roxy the hyena laugh loudly in front of her meal

I was a volunteer in 2012 in a South African refuge, and one of the animal we were taking care of was a female hyena, Roxie. Every week we would clean the enclosure, which was full of completely white poop because they event eat and digest the bones of their prey. And we were also feeding her, which is when this video was taken. The resident hyena Roxie get excited when it's time for her to food, and let us know loudly ! Taken at Glen Afric farm in South Africa during a Volunteer Southern Africa program.