英文關鍵字
america
beach
beak
bird
black
blackbird
blue
bronzed
common
conservation
environment
fauna
feather
feathers
food
for
grackle
great
habitat
iridescent
lake
lakes
long
looking
marsh
michigan
migration
migratory
natural
nature
north
ornithology
outdoor
park
plumage
profile
purple
quiscalus
quiscula
shiny
shore
shores
song
songbird
spring
tail
tree
view
water
wave
wildlife
wing
wings