Meet Rexi, a loveable golden retriever who gets around by hopping on her hind legs.
When she was about six weeks old, her owners Rachel and James Cassidy noticed something unusual about the precious dog that was different from the rest of the litter.
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For some reason, she wouldn't walk on her legs. Turns out they were growing backwards and looked like a bird's wings. Doctors say it's neurological and her owners are now looking for a surgeon to help fix the problem.