英文關鍵字
animal
animals
australia
australian
aves
avian
beak
beautiful
bill
billabong
bird
birds
chest
conspicillatus
diversity
eating
feathers
feeding
fen
fly
flying
food
foraging
fresh
large
mangrove
marsh
marshes
mudflat
natural
pair
pelecanus
pelican
pelicans
pier
preen
preening
water
wetland
wetlands
white
wing
wings
zoology