the Migration Take Off!
of Questions in Viewing Guide
is it rather dark when the cranes take off? (Think about the time
of day at which the ultralights and cranes must fly.)
dark when the cranes take off. To get the calmest air, they must
fly shortly after sunrise. As the sun heats the earth, winds are
caused by uneven heating. In the wild, cranes use the heated columns
of rising air (thermals) to aid them in migration. They can glide
on the thermals and don't need to flap all the time. Flapping is
hard exercise, while gliding is easy fun.
happens first? Next? Last?
First the trike (ultralight) lands by the pen and revs its engine to
get the birds excited. Next, the costumed handlers open the gates
release the cranes. They flap their wings to urge the cranes
to hurry and fly. (Did you see the last crane come out? He needed
some urging to get going! Last, the handlers close the gates.
do you think one of the ground crew is ready to play the role of
the Swamp Monster as the birds take off?
of the ground crew is ready to play the role of a scary "Swamp
in case any birds need to be scared up into the air
to fly with the others.
is another ultralight is heard after the cranes and lead pilot have
flown off in the distance?
the lead pilot takes off, the other ultralight
pilots can take off to be there for any birds that drop out
or don't catch up with the others. The chase pilots wait until the
has a chance to get into the distance so they don't distract
or confuse the young cranes as they try to follow.
Video Heather Ray, Operation
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