英文關鍵字
animal
anser
bean
bird
europe
european
fabalis
family
fronted
german
germany
goose
gooses
greater
lower
migrants
migratory
nestling
north
region
rhine
rietgans
spring
westphalia
white
young
英文關鍵字
animal
anser
bean
bird
europe
european
fabalis
family
fronted
german
germany
goose
gooses
greater
lower
migrants
migratory
nestling
north
region
rhine
rietgans
spring
westphalia
white
young