Puddles come and go. The rain creates them and then the sun destroys them. But beavers can transform a puddle’s raison d’etre. Because beavers are engineers. They construct dams to store water producing ponds and wetlands for themselves and other life forms. And most importantly, these dams store and increase groundwater.
Beavers were once over-hunted for their pelts and their castoreum, a substance excreted by beavers used for making perfume. Beavers nearly became extinct until laws were made to protect them.
When wetlands, now no longer inhabited by beavers, started drying up, someone made the connection between the land and the beavers. So it was decided to transplant beavers to areas that were in an ecological crisis. Initially, they were parachuted into their new surroundings.
“Beaver Attack” by Kent Monkman
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The Beaver Wars + Beavers: 5 ways beavers keep our ecosystems healthy +
The Narrative Within 
We humans never learn, do we!
We had beaver on our farm in Saskatchewan. I loved seeing the gnawed tree stumps and the dams they made in the little creek that ran through our farm.
Wow, seeing a dam made by beavers would be exciting!