agression
agressive
anser anser
avian
beak
beauty in nature
bill
bird
bird watching
close
close up
closeup
color
colour
day
fauna
focus on foreground
goose
gray
grey
greylag goose
hissing
mouth open
natural
nature
no people
open beak
open mouth
ornithology
outdoor
outdoors
outside
plumage
portrait
selective focus
side view
water bird
water fowl
wild
wild bird
wildlife
wildlife photography