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How do beavers build dams that change entire wetlands?

AnimalsMammals

Quick Answer

Beavers cut trees and pile sticks, mud and stones to slow water flow, creating ponds and wetlands.

The Full Story

Beavers are ecosystem engineers because their dam-building reshapes rivers and streams. By blocking or slowing water, they create ponds that provide deeper water for safety and easier access to food. The flooded habitat can benefit many species, including amphibians, birds and fish. Beavers use their strong teeth to fell trees and their front paws and mouths to place building material.

Key Facts

1.Beaver dams slow flowing water
2.The ponds can create wetland habitat
3.Beavers use wood, mud and stones

YouTube Angle

Suggested video title for this topic:

"How can one mammal redesign a whole stream?"