Helicopters are sometimes known as "whirlybirds", but they're not really airplanes in the same sense. I believe what you're thinking of is actually the gyrocopter.
The Sycamore (Acer pseudoplatanus) is a broad leaf tree that produces winged fruits. We used to call them helicopters because they spin as they fall through the air. Their proper name is samaras.
yes. you cannot do it freely, but if you use EM radiation, or vacuums, you can. (airplanes and whirlybirds use vacuums) a whirlybird has a huge propeller on top, and when it sucks the air under it, over it is a vacuum. something has to fill this vacuum. thus, the whirlybird is the closest thing to this vacuum. whirlybird fills vacuum. helicopter is the new name for whirlybird. but when it was invented, it's name was whirlybird.
Some common nicknames for a helicopter are copter, chopper, hook, stick buddy, huey, helio, helo and whirlybird. Helicopters were used for medical evacuation but they are now the primary vehicle for air assault.
No, helicopters do not look like trees.
The cast of Whirlybird - 2008 includes: Catherina Kusch as Sophia Madeline Torem as Nova
Helicopter
Neim tree
The hickory tree produces small nuts that are edible.
The Boeing Corporation produces passenger aircraft, cargo aircraft, military aircraft, and helicopters.
I have heard 'whirlybird'
No