CHICAGO -- A penguin born at Shedd Aquarium is a boy, genetic tests show.
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Chick 23, born on June 9, 2015, is the 23rd rockhopper penguin born at the Chicago's Shedd Aquarium. His gender was determined during a recent checkup.
He weighs about 4.5 pounds at three months and is almost as tall as an adult bird.
Lana Vanagasem, manager of penguins, sea otters and dogs, with Shedd’s newest rockhopper penguin, Chick #23. (Shedd Aquarium)
A genetic test at a recent check-up confirmed that chick is a boy! (WLS Photo/ Brenna Hernandez)
It's a boy! Shedd Aquarium's 3-month-old rockhopper penguin chick is quickly reaching new milestones. (Shedd Aquarium)
The penguin's gender was determined by a genetic test conducted during a recent check-up. (Shedd Aquarium)
Born June 9, Chick #23, the 23rd rockhopper penguin to be born at Shedd, weighs about 4.5 pounds. (Shedd Aquarium)
The gender announcement comes as animal care staff prepares for molting season for its Magellanic and rockhopper penguins (Shedd Aquarium)
Every year, the penguins shed their waterproof feathers over the course of two to three weeks to make room for a brand new coat. (WLS Photo/ Brenna Hernandez)