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The big enclosure and ponds of St. Marks NWR make a good home for young cranes learning to live wild and free. Sometimes a crane from a previous class visits the pen. After all, it was their first Florida home, too. This young crane chases a sub-adult crane from last year that came back to visit—or maybe to get some free chow! Now the sub-adult must go off to find its own territory. Meanwhile, the young crane chasing it is already growing up!

Younger crane chases an older crane out of the pen!

Photo Operation Migration