animal
avian
background
bird
body
brown
cadaver
carcass
closeup
cold
color
dead
death
decay
detail
end
eurasian
eurasian tree sparrow
exhausted
exhaustion
extreme
fall
feather
final
flu
freeze
ground
isolated
life
little
natural
nature
one
outdoor
outdoors
passer
passer montanus
sad
severe
sick
small
sparrow
survival
tree
weak
weakling
wild
wildlife