animal
avian
background
bad
bird
claw
columbidae
columbiformes
concept
dead
death
die
disease
dove
dying
emergency
end
environment
fatal
feathers
fever
floor
flu
fur
germ
ground
h1n1
h5n1
horror
illness
influenza
life
lying
misery
natural
nature
paved
pigeon
pollute
pollution
sick
sickness
spooky
spotted
suffering
virus
wildlife
wingpavement