英文關鍵字
alca
alcidae
atlantic
auk
auks
baby
black
cliff
closest
colonial
danger
environment
extant
extinct
face
family
feeding
fish
flight
fly
genus
great
high
large
lesser
living
member
natural
nature
nest
north
razor-billed
razorbill
razorbills
relative
safe
safety
sea
seabird
white
young