英文關鍵字
air
animal
arrival
beautiful
big
biggest
bird
birding
birds
bog
boreal
careful
common
conditions
environment
foliage
forest
forests
gray
grus
habitat
hanks
landscape
lapland
leaves
leggy
longs
loyalty
marriage
marsh
monogamy
nature
nesting
peat
pocosin
royal
scandinavian
springtime
strong
summer
swamp
swampland
time
travel
verdure
wading
walks
watching
wildlife
wooded