英文關鍵字
africa
african
animal
animals
antelope
antelopes
bongo
bongos
bovidae
bovine
bovines
branch
chewing
closeup
critical
critically
cute
diet
eastern
eating
endangered
eurycerus
exotic
face
feeding
female
food
head
hoofed
horned
horns
isaaci
kenya
leaves
male
mammal
mammals
mountain
nocturnal
portrait
specie
species
threatened
tragelaphus
tropical
ungulate
ungulates
zoo
zoology