The Amazon River once flowed westward, creating the Pebas System, a massive wetland teeming with diverse life. Shaped by tectonic shifts and Andes uplift, this ecosystem hosted unique species like enormous crocodilians and early mammals, some adapting to brackish conditions.
What Happened When the Amazon Flowed Backward?
Related Posts
Rising methane could be a sign that Earth’s climate is part-way through a ‘termination-level transition’
Soaring wetland emissions of methane mirror those which accompanied previous abrupt changes in Earth’s climate. I. Noyan Yilmaz/Shutterstock…
August 31, 2023
Arthropleura: The Biggest Millipede Ever (So Far)
The vast expanse of Earth’s natural history has seen the planet play host to fantastic creatures like dinosaurs…
July 29, 2022
Wildfire smoke and dirty air are also climate change problems: Solutions for a world on fire
People wore face masks as wildfire smoke from Canada turned New York City’s sky orange on June 7,…
June 28, 2023
Take a Break: Here’s a Look-Back at the 2021 Comedy Wildlife Photography Awards
Yes, it’s 2022. It’s been a month since the start of the new year, and already people are…
February 8, 2022
