adult
anas
anas poecilorhyncha
anas zonorhyncha
anatidae
animal
asia
asian
beak
bill
billed
billed duck
bird
blue
carpio
cyprinus
cyprinus carpio
duck
east asia
east asian
eastern
eurasia
eurasian
feather
field
freshwater
japan
japanese
mallard
nature
oriental duck
paddy
park
poecilorhyncha
pond
rice
rice paddy
spot billed
spotbilled
spotbilled duck
swim
tail
water
webbed feet
wild
wildlife
zonorhyncha
zoological
zoology