birds

HOW BIRDS FLY

• How their wings are built
• some birds wings are shaped like airplanes
• they use their breast muscles

birds know how to build nests by instinks

why birds REGURGITATE

• to feed their young
• they have a serious illness

male birds are brighter than female birds

fun fact

• some birds talk just to interact with us

sourses

• www.google.com
• www.ask.com
• www.scintificamerican.com

THE END