15/09/2016 11:52 AM AEST | Updated 15/09/2016 2:13 PM AEST

This 100-Year-Old Tortoise Loves Sex And Is Repopulating His Species

Slow and steady preserves the race.

What sound do tortoise shells make when they bump together? BONK.
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What sound do tortoise shells make when they bump together? BONK.

Diego the endangered Galapagos giant tortoise loves the ladies, and they love him, which is lucky because his 800+ offspring are helping to bring the species back from the brink of extinction.

Diego is over 100 and lives with six female tortoises, so I guess you could say it's a case of the tortoise and the harem. You'd think with all that sex he'd be just a shell of a tortoise.

You know what they say, giant tortoise = big love.

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Maybe it's Diego's wrinkly skin, or his crusty head, or the bulbous shell.

About 50 years ago, the species population was estimated as 14 and Galapagos National Park tortoise preservation specialist Washington Tapia told Diego was appreciated for his enthusiasm to repopulate.

"He's a very sexually active male reproducer. He's contributed enormously to repopulating the island," Tapia said.

His 'enormous contribution' is in stark contrast to another endangered tortoise from a different species Lonesome George who died without reproducing in captivity, ending the Pinta Island tortoise subspecies.

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Diego shows us his kisser.

In terms of conservation, Diego is a hero in a half shell.