Native species include cottonwood, sycamore, elm and silver maple; their chewed stumps signal beaver activity.

It is proven that fish stocks, especially salmonids, benefit enormously from beaver activity, specifically from cleaner water, resting ponds, over winter food supplies and bank shelter.

Occasional marshes exist, which are typically the by-product of beaver activities.

Beaver Pipes are a non-destructive flow devices, a way of controlling beaver activity in an ecosystem.

Coyotes have made a comeback since 1985, and there have been signs of beaver activity although the animals themselves have rarely been seen.

The beaver activity in this area has created many ponds and backwaters, making the landscape suitable for many rare birds and other forms of wildlife.

If beaver activity is not actually interfering with human activity, the biologists try to help people see the long-term benefits of the beavers' work.

Learn about beavers and search the trails for beaver activity.

A Canadian filmmaker had a studio in the Park for many years, filming underwater beaver activity and simulating birds in flight.

Natural threats include beaver activity at beaver pond populations and trampling and browsing by larger animals such as deer.