Casper is one of the oldest of his kind in the world.

By: KDKA-TV News Staff

PITTSBURGH (KDKA) — Sunday was a major milestone for one of the Penguins at the Pittsburgh Zoo.

Yesterday was Casper, the Macaroni Penguin’s 31st birthday.

(Courtesy: Pittsburgh Zoo & PPG Aquarium)

To celebrate, he was given a special treat.

The zoo says in the wild, Macaroni Penguins only live between 10 and 15 years– so at 31 years old, Casper is one of the oldest of his kind in the world.