You can see them at many airports and in the sky.
See What are gliders on the airplane? answer.
The running lights are more for other pilots to see you than for you to see anything. They do not help the airplane fly any better.
Yes
You see a moose.
From the altitude of the airplane when you jumped out.
yes, but the whale has to be big enough
Probably not, but you can probably see 1000000 flamingos from an airplane.
There are many websites that an individual can browse to see airplane pictures. Airliners, Airplane Pictures and Air Team Images are just a few websites that allow for this.
Thousands of paper airplane glider designs exist. See related links for examples.
See the video tutorial below . . .
No, Leo did not invent the paper airplane.
You can see your house from the air. You could be in an airplane or a hot air balloon.