英文關鍵字
africa
african
animal
ardea
beak
bird
cinerea
clip
ecology
fauna
feathered
feathers
footage
grey
habitat
heron
hippo
hippopotamus
kruger
motion
national
natural
nature
outdoor
outdoors
park
pond
reflection
safari
south
southern
standing
submerged
video
watchful
water
wild
wildlife
wings