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PORTLAND - TThe Oregon Zoo is preparing for the birth of an Asian Elephant. Rose-Tu is within days, maybe hours, of delivering her second baby calf and has been placed in isolation.

You can follow all the updates at the zoo's baby elephant blog.

The Oregon Zoo has fifty years of experience in birthing and raising Asian Elephants, and a very high success rate to go along with it.

Zookeepers and watchers are excited for a healthy finish after 20-plus months.

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