ornithology
Guinea fowl
Grebe
Grossbeak
Grouse
Hornbill
Grackle
starling
stork
swan
swift
vulture
prairie chicken
puffin
sandpiper
ptarmigan
scissortail
secretary bird
shrike
moa
lyre bird
muscovy duck
ostrich
parrot
partridge
pelican
penguin2
peregrine falcon
petrel
hummingbird
killdeer
kiwi
loon
egret 2
elder duck
flicker
game cock
duck
eagle 2
egret 1
condor
coot
cormorant
ornithology