The Mississippi River hides a diverse array of elusive wildlife beneath its muddy waters, including bowfins, hellbenders, American eels, redhorse suckers, paddlefish, alligator gar, river otters, ...

A first-of-its-kind project seeking to restore river ecosystems along 39 miles of the Lower Mississippi River has federal approval to move forward — if it can secure a slice of the federal bankroll.

Deadly migration moment: The Mara River crossing during the Great Migration kills thousands of wildebeest annually due to predators, currents, and chaos. Ecosystem impact: Mass drownings contribute ...

The Hudson River flows from its headwaters in the Adirondack Mountains in up-state New York down to New York Harbor and into the Atlantic Ocean. It’s named after Henry Hudson, who explored in 1609 for ...

Parasites are crucial indicators of ecosystem health, and their absence can signal trouble. Once pristine, Florida's Indian River Lagoon (IRL) now faces pollution and algal blooms that have damaged ...

Suggested Citation: "Appendix A - Valuing River Ecosystem Services." National Research Council. 2007. River Science at the U.S. Geological Survey. Washington, DC: The National Academies Press. doi: 10 ...

Have you ever heard of the term environmental DNA (eDNA)? This refers to DNA from animals that is found in the environment as a result of natural shedding. Think: dead skin, feces, fur, etc. When ...

Fish, a gar and a catfish, both native to the Mississippi River swim in an aquarium at the Mississippi River Museum in Tunica, Mississippi on Feb, 7, 2025. Credit: Karen Pulfer Focht / Tennessee ...