From the Experts: Explore the Web archives. Good
places to start:
Dan Sprague explain why he wears the costume (audio clip)
do the chicks learn to eat? (video clip, viewing guide,
• What is captive
breeding, and why is it necessary?
are the official
rules by which these cranes are raised and trained? Why
is each rule important?
Thinking. Discuss: What dangers
might result if the young Whooping cranes had false imprinting—that
they imprinted on a species other than their own? How could
imprinting hurt chances
for population growth in the flock?
a Graph: Find out how many Whooping cranes are in
the reintroduced Eastern flock at this time. How many are
in the original (natural) Western flock? See
the Web. (Please note the date on the page.
You may have to make allowances for crane deaths and final
counts after migrations. For more Total Population information,
For the current stats on all Eastern flock cranes, click
Journal: List some ways biologists help
baby cranes to imprint correctly on their species.