alone
animal
avian
beak
bill
bird
bitterly
british
caution
cautious
citypark
cold
construction
daylight
domesticus
drift
european
fatten
feather
feathers
feed
feeder
feeding
fly
fodders
food
foodforbirds
fun
grain
gray
green
house
housesparrow
isolated
male
natural
passer
passerdomesticus
pellet
perched
perching
seed
sparrow
suet
tail
tree
uk
wary
wild
winter