environmental
animal
animals
background
beak
bill
biology
bird
birds
black
blue
bright
brown
close up
duck
ecology
environment
eye
fauna
feather
feet
forest
green
head
hunting
lake
mallard
nas
nature
ornithology
patch
platyrhynchos
plumage
pond
postcard
river
sanctuary
seasonal
water
waterbirds
wild
wild animals
wildfowl
wildlife
wing
yellow