7 Endangered Penguin Chicks Take Their First Plunge In Zoo's Pool

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These seven adorable penguin chicks sure know how to make a splash.

Read: Brave Penguin Can Waddle Again After Getting Custom-Made Bootie, Thanks to 3D Printing

Guests to the Maryland Zoo in D.C. spotted Hydra, Apollo, Luna, Hubble, Io, Sputnik and Sirius taking their first public dip in the outdoor pool on Thursday.

The seven endangered South African penguin chicks were born between October and November last year, and they made their public debut this week with the rest of the main colony.

Read: Little Penguin Chick Becomes First of Its Species to Be Hatched in Zoo's 120-Year History

According to the zoo, five more baby penguins hatched a couple weeks ago and will be able to make their public debut when they are old enough.

Watch: Small Wonder: Check Out This Tiny Little Blue Penguin, Who Hatched While On Display