December 1, 2015 12:35 PM EST

Queensland National Parks recently shared photos of a crocodile eating another crocodile.

Sandra Bell witnessed this epic duel among saltwater crocodiles at the Catfish Waterhole in North Kennedy River within Rinyirru (Lakefield) National Park (CYPAL) in Tropical North Queensland. Parks officials wrote in a Facebook post, “We’ve never seen anything like it!” Its Facebook account has been telling curious Facebook commenters that some of the reptiles in that river can grow more than 16 feet long, in addition to trying to assure skeptics the photos are not fake, as some have suggested.

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Write to Olivia B. Waxman at olivia.waxman@time.com.

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