The Week in Animal News: Earthquake-Predicting Zoo Animals, GPS-Tracked Trout, and More

Trout Tracked by GPS

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gps trout photo
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Invasive species can be seen in two ways: as winning the struggle for life by out-evolving competing species, or as upsetting a precarious balance of biodiversity.

The United States Geological Survey's (USGS) Invasive Species Program has decided on the latter in the case of invasive lake trout in Yellowstone National Park, and it's taking unusual steps to combat the dominance of the fish.

Read the Full Story: GPS-Bearing Invasive Trout Are Used as Moles to Find, Destroy Their Own Eggs

Photo: El Frito/Creative Commons