Subscribe now

Life

Beavers engineer their ecosystems in a way that helps moose and otters

By Sam Wong

5 July 2019

beaver

Beavers bring benefits

Troy Harrison/Getty

A whole host of different mammals appear to benefit from having beavers in the area. In forests where beavers have been introduced in Finland, their presence is linked to increased activity of several species, including moose, otters, and weasels.

Beavers are described as “ecosystem engineers” because their dam-building work has such a huge effect on habitats. Both the Eurasian beaver and the American beaver were almost driven extinct by hunting in the early 20th century, but they have since recovered in North America.

More recently, beavers have begun to re-establish themselves in Europe, thanks in…

Sign up to our weekly newsletter

Receive a weekly dose of discovery in your inbox. We'll also keep you up to date with New Scientist events and special offers.

Sign up

To continue reading, subscribe today with our introductory offers

Piano Exit Overlay Banner Mobile Piano Exit Overlay Banner Desktop