altitude
animal
aquatic
beak
beautiful
biology
bird
blue
branch
brown
creature
dabbling
duck
feather
flight
fowl
glider
height
hunter
hunting
impetuous
lake
mallard
migrant
motley
nature
ornithology
park
plumage
plume criture
quick
river
sky
spring
springtime
sunlight
sunshine
velocity
vertical
water
waterfowl
wild
wildlife
wind
wings