Perhaps it's only because we wiped them out so many places that we understand in the slightest the ecological role they play
$1.2 Million worth of wetland restoration and years of ecological revue skipped https://en.wikipedia.org/wiki/Beaver-engineered_dam_in_the_C...
I think if we hadn't we would've figured it out anyway. Someone would have found them interesting enough to study.
$1.2 Million worth of wetland restoration and years of ecological revue skipped https://en.wikipedia.org/wiki/Beaver-engineered_dam_in_the_C...