英文關鍵字
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africa
african
africanus
aggression
aggressive
alert
beak
bird
blackbacked
canis
carcass
compete
competition
feeding
footage
gyps
interaction
jackal
mesomelas
natural
nature
outdoor
rotting
scavenge
scavengers
scavenging
south
southafrica
southern
survival
video
vulture
whitebacked
wild
wings