adult
american
animal
avian
beak
bill
bird
blue
blur
breeding
brown
color
colorado
cormorant
doublecrested
drake
drop
duck
eye
fast
feather
female
flap
flight
fly
fowl
gliding
green
grey
lake
long
male
marsh
mating
migrating
migratory
mountain
nature
nesting
rocky mountain
rural
shoveler
sky
soaring
strong flight
tree
water
wetlands
wild
wing