action
air
anatidae
animals
aves
birds
blue
branta
canada
color
day
environment
feathers
flight
flock
fly
flying
formation
fowl
geese
goose
group
herbivore
high
horizontal
leadership
migrate
migrating
migration
migratory
motion
nature
no people
north america
outdoors
outside
sky
species
teamwork
travel
waterfowl
wild
wildlife
wings