beak

bird

blue

branch

build

chick

children

clouds

construction

crane

electrical

extension

feather

feathers

flier

flyer

fowl

good

heron

house

housing

jack

kind

life

limb

natural

nature

neck

nest

nestling

newborn

nib

pen

pocket

pole

prolongation

receptacle

siding

sign

sky

socket

spray

stick

stork

voltage

wildlife

wings

wire