英文關鍵字
avian
birds
bosque
cranes
flock
fowl
lake
marsh
mexico
migration
migratory
nature
outdoor
refuge
sandhill
sky
sunrise
sunset
water
waterfowl
wild
wildlife
wing
winter
英文關鍵字
avian
birds
bosque
cranes
flock
fowl
lake
marsh
mexico
migration
migratory
nature
outdoor
refuge
sandhill
sky
sunrise
sunset
water
waterfowl
wild
wildlife
wing
winter