agonistic
alberta
avian
bird
blue
branta
breed
cackling
calm
canada
canadensis
canadian
chinstrap
cold
dark
dry
duck
edge
feather
frozen
geese
goose
grass
herbivore
hunt
ice
mate
meat
migrate
migratory
monogamous
morning
noise
pair
plumage
pond
reed
shadow
shore
silhouette
spring
sunlight
swim
territory
tranquil
urban
water
waterbird
waterfowl
wetland