APPLE VALLEY  (AP) - The Minnesota Zoo's snow monkey exhibit is celebrating an early Mother's Day.

The zoo in Apple Valley has announced the birth of another snow monkey.

The baby was born April 27. Although the mother, named "Yumoto," has been keeping her infant close, the baby is starting to become visible to the public.

Zoo workers don't know the baby's gender yet. The baby is on exhibit every other day.

The Minnesota Zoo says snow monkeys can only be seen at nine other accredited zoos in the U.S. Snow monkeys - also called Japanese macaques  - are known for their reddish-brown faces, whiskers and beards, and long, dense brown fur.

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