英文關鍵字
africa
blue
ducks
foraging
gauteng
lake
nature
pond
reserve
rietvlei
river
south
swimming
two
water
waterfowl
yellow-billed
英文關鍵字
africa
blue
ducks
foraging
gauteng
lake
nature
pond
reserve
rietvlei
river
south
swimming
two
water
waterfowl
yellow-billed