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.
Related Posts
Study Finds Large Fish Shoals May Attract More Predators
At a Glance Fish that gather in large groups may seem safer from predators, but new research shows…
We used 1,000 historical photos to reconstruct Antarctic glaciers before a dramatic collapse
Looking up Crane Glacier, December 21 1968. PGC, UMN, CC BY Ryan North, University of Wollongong and Tim…
A tug of war between survival and fitness: how chameleons become even brighter without predators around
Martin Whiting, Author provided Martin Whiting, Macquarie University Invasive species offer a rare research opportunity, as they often…
Researchers Challenge Assumptions on Animal Homosexuality with Groundbreaking Study
At a Glance A recent collaborative effort by anthropologists and biologists from Canada, Poland, and the U.S., in…