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An ultra light aircraft will travel 1,200 miles
across America to teach an endangered flock of birds to migrate.
Eight young whooping cranes will fly from Wisconsin
to Florida.
Scientists taught a flock of sandhill cranes
to migrate last year using the same technique.
Experts say there are fewer than 300 whooping
cranes in the wild, and fewer than 100 in captivity.
Scientists say they must establish a new migrating
flock to help the species recover. They warn disease, natural
disaster or human interference could wipe it out.
The cranes will start their migration from Necedah
National Wildlife Refuge, about 90 miles north of Madison in
Wisconsin. They will cross seven states before arriving at Chassahowitzka
National Wildlife Refuge in Florida.
The birds have been training for the task since
July but had time off following the US terror attacks when planes
were grounded.
Daily updates on their progress can be found
at : www.bringbackthecranes.org.
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