英文關鍵字
animal
aquatic
avian
beak
beautiful
bird
birdwatching
black
catalonia
conservation
delta
ebre
ebro
egret
environment
fauna
feather
feathered
feet
flight
habitat
heron
lake
little
migration
migratory
morning
natural
nature
neck
ornithology
outdoor
plumage
protection
reflection
river
spain
spring
summer
tarragona
tree
tropical
water
waterbird
waterfowl
white
wild
wildlife
wing