英文關鍵字
behavior
behaviors
bird
birds
black
branches
breed
breeding
brood
brooding
building
closeup
color
columba
common
domestica
dove
doves
egg
eggs
exotic
fancying
feathers
gray
grey
hybrid
incubate
incubating
incubation
keeping
king
livia
mating
mutation
nest
nesting
pigeon
pigeons
plumage
reproduction
rock
season
seasonal
sitting
specie
species
tropical
variation