The pilots and ground crew train and
tend the cranes. But that’s not all. They must build and repair
the travel pens (see above). These pens will keep the birds safe at
sites along the the way. The crew packs up whatever
it takes to keep planes, cranes, people, pens, trailers, vehicles,
homes in top condition on the journey south, over 1,200 miles.
Each of the chosen stopover sites must be ready, too. Many people work together
to carry out the migration plan, from fundraisers to pilots.