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Jon Sullivan
Jon Sullivan @joncounts@mastodon.nz  Β·  3 months ago

Content Warning

This has got to be the most amazing thing I’ve read this week, Evidence is mounting that large sandstone caves in Amazonian South America, large enough to comfortably walk through and the longest with 1,500 metres of tunnels, were carved out by giant ground sloths. Yes, ground sloths!

β€œThe South American palaeoburrows might be the largest ichnofossils known so far.”

https://www.nature.com/articles/d41586-025-00216-x

#archeology #palaeontology#MegaFauna#GroundSloth#Brazil #amazon

A figure from a Nature news article credited to Renato Pereira Lopez showing a silhouette of a human and the dimensions of the different sandstone tunnels, the largest taller than a human, and artist reconstructions of three different extinct ground sloths with two extinct armadillo species. The largest tunnels are as tall as the largest ground sloths.
A figure from a Nature news article credited to Renato Pereira Lopez showing a silhouette of a human and the dimensions of the different sandstone tunnels, the largest taller than a human, and artist reconstructions of three different extinct ground sloths with two extinct armadillo species. The largest tunnels are as tall as the largest ground sloths.
A figure from a Nature news article credited to Renato Pereira Lopez showing a silhouette of a human and the dimensions of the different sandstone tunnels, the largest taller than a human, and artist reconstructions of three different extinct ground sloths with two extinct armadillo species. The largest tunnels are as tall as the largest ground sloths.
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A π‘΄π‘Άπ‘Ÿπ‘Ά (hiti) is an ancient Newah urban water feature: a stepped, sunken courtyard with waterspouts and a central pool. These are fed through a remarkable network of pipes, reservoirs, and irrigation systems drawing water from mountain springs dozens of kilometres away. Every day, hundreds of people from the neighbourhood come to draw water, bathe, and exchange news. They are a unique and precious feature of Newa urban architecture through which neighbourhoods are created.
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