The first polar bear cub born in Australia in nearly 30 years has started to growl and open its eyes.
The unnamed cub was born on May 9 at Sea World in Queensland. Animal caretakers said they had been hearing strange noises coming from a pitch black "maternity den" for several weeks before realizing it was the cub starting to growl, according to a post on the Sea World website.
Zookeepers won't know the sex of the baby until it emerges from the den later this month, the Australian Associated Press reports.
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