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Tag archives for Gulf of California

Fish Spawning Aggregations: an illusion of plenty

Spawning aggregations are massive gatherings of fish for breeding, a behavior shared by many species across the globe in many different habitats. They are predictable because they usually happen at the same place and at the same time each year, and humans have taken advantage of this to harvest large numbers of fish with minimal effort. But as harvesting keeps growing, fish populations keep diminishing.

May 11, 2014: Capturing the Spirit of Adventure, Saving Sea Turtles and More

Every week, embark with host Boyd Matson on an exploration of the latest discoveries and interviews with some of the most fascinating people on the planet, on National Geographic Weekend. Please check listings near you to find the best way to listen to National Geographic Weekend on radio, or listen below! Hour 1 – Adventurers who regularly push their limits of…

Listening to Sperm Whale Sonar

Amazing. A few years ago in the Gulf of California, we found ourselves surrounded by a pod of female sperm whales sleeping peacefully like massive logs in a calm sea. One, followed closely by a seemingly protective companion, had a baby so new that it still trailed an umbilical cord as it swam with tail…

Colorado River, Meet the Sea

This post is part of a series on the Colorado River Delta. Walking the mudflats of the Colorado River Delta in northwestern Mexico, my feet touch silt and sediment that originated in the U.S. Rocky Mountains, hitchhiked with floodwaters through the Grand Canyon, and then, over the millennia, settled out here as the river slowed…

The Last Untamed Mexican River

An incredible journey to preserve the last untamed Mexican River: the San Pedro Mezquital.