animals
avian
bark
beak
bill
birds
blue
bole
branch
claws
coat
confiding
couple
feathers
fly
forest
grain
in pairs
knob
knot
leaves
limb
log
moss
nature
on the top
ornithology
outdoor
pair
parakeets
parrots
pecker
perch
plumage
plumes
sit
square
stem
structure
timber
tree
tree bark
trunk
trusting
two
wings
wood
wooden
yellow
zoo