The Maryland Zoo's thousandth penguin chick makers her debut Thursday.
Millie will join the Penguin Coast for the first time at 9:30 a.m.
The zoo announced her gender and held a naming contest in April.
Her name is short for a millennium.
Posted at 5:16 AM, May 17, 2018
and last updated 2018-05-17 05:16:25-04
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