aggressive
anatidae
animal
animalia
beak
beautiful
behavior
big
bill
bird
black
closeup
cob
cygnus
cygnus olor
dangerous
elegant
feathers
habitat
heavy
landscape
large
light
long neck
male
mute
natural
naturally
nature
neck
orange
ornithology
peaceful
plumage
preening
protected
queen
reflection
royal
sea
standing
swan
water
water fowl
waterfowl
webbed feet
white
wild
wildlife
wings