A first-of-its-kind assessment of migratory freshwater fish brings to light many species in need of international protection.
The UN assessment of the state of migratory freshwater fish revealed an 81% decline in the last 50 years.
Some of the longest, most important migrations of species on Earth are happening beneath the surface of the world's rivers ...
A few days ago in Brazil’s Pantanal, I watched a pair of jaguars resting in tall grasses, their bodies almost disappearing ...
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