英文關鍵字
animal
animals
aves
avian
beak
beauty
birding
black
chick
cold
common
dark
duck
eurasian
eye
fauna
feather
feeding
foot
grey
head
ice
lake
looking
migration
natural
nature
one
ornithology
outdoors
single
small
sunlight
surface
water
wetland
white
wild
wilderness
young