SeaWorld San Antonio’s penguin population has increased with the recent hatching of Gentoo, Rock Hopper and Chinstrap Penguin chicks. This has been the most successful year for Chinstrap Penguins in SeaWorld San Antonio’s history, with nine chicks produced. A soft grey in color, Chinstrap Penguin chicks average about 70 grams when hatched, but easily grow to over 500 grams in just ten days, thanks to the regurgitated fish fed to them by both parents. They will get their distinctive black “chinstrap,” along with their other adult feathers, when they fledge at about three months of age.

Photo credits: SeaWorld San Antonio

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