Yellow-backed duiker
These forest dwelling antelope feed selectively on plants or plant parts such as shoots, roots, leaves, and buds, but their diet is mainly made up of fruits. The yellow-backed duiker is more efficient at digesting poor quality food than most other duiker species. This allows them to eat large, low quality fruits. Their diet makes them very hard to keep in captivity as most domesticated fruits are not well suited to their low fiber requirements. They are considered concentrate selectors, meaning they eat "diets relatively low in fiber, have a well developed ability to forage selectively, a rumen bypass, a rapid passage and high fermentation rate for starch, and they frequently encounter toxins."
Leopard
The leopard is a carnivore that prefers medium-sized prey with a body mass ranging from . Prey species in this weight range tend to occur in dense habitat and to form small herds. Species that prefer open areas and developed significant anti-predator strategies are less preferred. More than 100 prey species were recorded. Impala, Thomson's gazelle, duiker, steenbok, bushbuck, warthog, water chevrotain, blue wildebeest, sitatunga, Bates's pygmy antelope, aardvark, nyala, and kudu are frequently taken in Africa, and chital, muntjac, sambar, four-horned antelope, deer, Nilgiri tahr, gaur and wild boar in Asia. Primate prey species preyed upon include "Colobus", "Mangabey", "Cercopithecus", langur, and less frequently also gorilla and baboon. Small mammals preyed upon include black-backed jackal, Cape fox, African civet, genets, hares, porcupine, rock hyrax Prey as heavy as a giraffe is hunted if larger carnivores such as lions or tigers are absent. The largest prey killed by a leopard was reportedly a male eland weighing .