PORTLAND, Ore. -- The Oregon Zoo new baby otter finally has a new name: Zigzag, or Ziggy for the Zigzag river on Mount Hood.

The male baby otter was born on Nov. 8. On Dec. 12 the Oregon Zoo asked for the public's help in choosing a name.

A lot of the animals here get their names from nations or cultures associated with the species' native habitats, said Julie Christie, senior keeper for the zoo's North America area. For the river otters, we like to choose names based on local waterways.

According to the Zoo, 8,000 otter fans weighed in on their favorite of three choices, Trask, after the Trask River which empties into Tillamook Bay, Willamette or 'Willy' for short, and Zigzag.

The name Ziggy earned close to 50 percent of the vote said Hova Najarian of the Oregon Zoo.

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The otter pup's mother, Tilly, was named after the Tillamook River.

Najarian said Tilly s first baby boy, Mo (short for Molalla), was born in January and that it's rare for a river otter to produce more than one offspring.

More: Mo the otter, first ever born at Oregon Zoo

Tilly and Ziggy are doing well, according to Christie. The public can now see the otters occasionally through a den window at the Cascade Stream and Pond habitat. Ziggy recently opened his eyes and started to walk, Hajarian said.

A video of Tilly teaching Mo to swim (see below) drew more than half a million views on the zoo s YouTube channel, Hajarian said.

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