英文關鍵字
america
animal
avian
background
beak
beautiful
bill
bird
birding
birdwatching
black
blue
branch
bush
crest
desert
environment
eye
eyes
feather
feathers
fire
flycatcher
his
male
mesquite
natural
nature
nevada
nitens
north
northern
ornithology
outdoor
park
passerine
perch
perched
perching
phainopepla
plumage
red
rocks
silky
sky
songbird
southwest
state
states
striking
territory
tree
united
valley
watching
wild
wildlife