Siegfried and Roy have worked for decades to bring white tigers back from near extinction, and they're now introducing the world to four 5-week-old cubs that are helping keep that dream alive.

"Our newest 'Ambassadors of Conservation' play an important role in our never-ending quest to protect these animals," Roy tells ET. "It is imperative to continue our conservation efforts to save these magnificent tigers for future generations to enjoy and cherish."

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Liberty

Maharani

Two white female cubs, Liberty and Maharani, were born to mother Indira and father Svengali as part of a litter of four, which also includes golden female Hirah and golden male Justice. The cute clan has been dubbed the Sarmoti Cubs after Siegfried and Roy's SARMOTI Foundation.

The cubs will join their parents at Siegfried and Roy's Secret Garden at The Mirage Las Vegas, where the public can fawn over them.

Hirah

Justice

"It is always exciting to welcome new members to our family at The Mirage," said Siegfried. "We are pleased to introduce these magical creatures to the world to relish in their beauty and are thrilled that people across the world can watch the cubs grow and learn on Twitter and Instagram."

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Last year, ET's Nancy O'Dell visited the magicians' famed "Jungle Palace," where they shared why they got started on this conservation project more than 35 years ago.

"White tigers -- they're totally extinct in the wild," Siegfried told Nancy at the time. "We have the space here where they can still flourish and have a great future ... Now we have about 200 white tigers all over the world."

Animal lovers can watch the new cubs grow via the Twitter and Instagram handle @SARMOTICubs and on Facebook at www.facebook.com/SarmotiCubs.