america
anatidae
animal
avian
biodiversity
biology
bird
branta
canada
canadensis
close
closeup
colorful
conservation
dam
detail
ecology
ecosystem
face
feathers
geese
goose
graceful
lake
maryland
nature
north
ornithology
pair
plumage
pond
profile
proud
serene
two
up
water
wetlands
wild
wildlife
zoology