Despite their name. Canada Geese are Internationally know birds. In this picture the Canada goose is in flight.
Another Canadian goose, in this image he's standing in the wetlands.
The most famous penguin, Baby Tux, the Linux mascot.
White dove of peace
The image of a birdhouse, eggs and feathers is all one graphic, but if you prefer you could cut it apart with your favorite image editor and use them separately.
Red cardinal.
Animated cartoon of a duck going fishing.
Tiny animation of a dove holding a letter.
Stylized image of a duck.
Two pink flamingos wading in shallow water.
A large graphic of an ostrich with his head in the sand.
Hummingbird hovering at a feeder.
Another hummingbird, this time feeding on flower nectar.
Parrot
A parrot (or blue macaw) cracking open a snack in it's powerful beak.
A scarlet macaw or parrot sitting on a branch.
Bird house with a hummingbird.
A web page divider made of birdhouses on a wire.
Another divider with ducks flying past.