alone
animal
april
back
beak
beauty
bill
bird
black
blackbird
brown
european
fauna
feather
feathering
flora
forest
fowl
garden
grass
green
male
masculine
natural
nature
ornithology
passerine
plumage
portrait
rot
singing
sit
sitting
small
song
stump
summer
tail
thrush
tree
trunk
wild
wildlife
wing
wood
yellow