Departure Log
Whooping Crane Western Flock

Once (or twice) a month in spring, Biologist Tom Stehn flies over the Refuge in Texas to count the cranes. Using Tom's counts, you can record how many whooping cranes are still on their wintering grounds in Texas and how many are already migrating.

of Tom Stehn's Aerial Flight

Not Migrating
Record number of Cranes Counted (not yet migrating)

(Subtract from the flock's size.)