The 200 Olympic Animals - A Kookaburra, A Platypus and An Echidna

Sydney 2000 Millenium card with Olly, Syd and Millie
Olympic Games Official Licensed Product

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Here is some info on the characters...
Ollie, Syd and Millie, designed by Matthew Hattan, are three native Australian animals chosen as mascots for the Sydney 2000 Games. They represent earth, air and water. "Olly", a kookaburra, epitomizes the Olympic spirit of generosity and universal generosity (from Olympic); "Syd", a platypus, represents the environment and captures the vigor and energy of Australia and its people (from Sydney); "Millie", an echidna, is a techno-whiz and information guru, with all the facts and figures at her fingertips (from Millennium).

Kookaburra from Australia

The Kookaburras belong to the family of the Kingfishers and are native to Australia and New Guinea, but only the Australian one is famous for its unmistakable laughing call.  They feed on insects, snakes, frogs and other small animals.
2012