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15 of the largest living things on the planet

Meghan BartelsAug 12, 2016, 20:32 IST

A weeks-old Galapagos Giant Tortoise crawls in front of its 70-year-old mother &quotNigrita" inside an enclosure at Zurich zoo March 19, 2007.Arnd Wiegmann /Reuters

The dinosaurs may be long gone, but plenty of truly giant things are still living on this planet - including the largest animal ever known to exist.

And the No. 1 largest living thing, according to scientists, is a pretty surprising contender.

There's always a chance we could stumble on something even bigger, but that would be quite a feat.

We've gathered a handful of superlatively large organisms below so you can guess what's largest and see if you're right.