Restoring Biodiversity - 4/21/2026

The world’s biggest animal migration. Screwworm is coming for the US. Animals using fallen logs as bridges. And more...

animal migration in africa
Photo by Edmund Loh / Unsplash

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Here is what we’ve been reading, watching and writing about over the past week…


Articles

This Is The World’s Biggest Animal Migration — And Few Outsiders Have Seen It

This Is The World’s Biggest Animal Migration — And Few Outsiders Have Seen It

This story is a reminder of what the world used to look like before we fenced it, fractured it, and overmanaged it into submission. You don’t get six million animals moving in harmony by accident—you get it through vast, unbroken landscapes and a kind of restraint modern society seems to have forgotten. The lesson isn’t admiration alone—it’s that once these systems are gone, no amount of policy or money will ever truly bring them back.

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The “Man Eater” Screwworm Is Coming For The U.S.

The “Man Eater” Screwworm Is Coming For The U.S.

The New World screwworm—once eradicated through disciplined science and cross-border coordination—is steadily advancing north again, with outbreaks across Central America and Mexico raising legitimate fears it could reenter the United States. It emphasizes how this parasite, which quite literally consumes living tissue, poses not just a livestock crisis but a broader economic and public health threat, especially if vigilance lapses or response systems falter.

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Videos

Watch Bobcats, Bears, and Even Birds Use Fallen Logs as Bridges

Watch Bobcats, Bears, and Even Birds Use Fallen Logs as Bridges

As explained below, fallen logs and logjams are essential to riverine wildlife and habitat health.

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And that’s it - as always thank you..

If you haven’t already - please check out our views on biodiversity at https://pitchstonewaters.com