The wolves returned to Yellowstone National Park in 1995 after nearly 70 years away. Everyone knew they would eat some deer, but what not everyone understood or expected was the huge impact on everything in the area. This is called a trophic cascade — where one species at the top of the food chain affects everything in the ecosystem. Watch this lovely video narrated by the great David Attenborough as he explains the effect of the wolves in Yellowstone.
How Wolves Change Rivers
Related Posts
FAQ: What Is the World’s Smallest Cat?
The Great Debate: Unveiling the World’s Smallest Cat The animal kingdom is full of fascinating creatures, and the title of “world’s smallest cat” ignites a friendly competition between two formidable…
FAQ: How Many Types of Porcupines Are There?
Prickly Personalities: Unveiling the Differences Between Old World and New World Porcupines Porcupines, with their impressive coat of quills, are fascinating creatures found on continents across the globe. But did…