Ecoducts

Wildlife crossings are structures that allow animals to cross human-made ___________ safely.

About 60 years ago, _______________ was the first country to build ecoducts for animal crossings.

Ecoducts are great ways to protect wild life from ______________ .

A grizzly bear (Ursus arctos) attempts to cross a road at Yellowstone National Park. Crossing the road can be ________________ even for animals as large as a grizzly bear.

Wildlife bridges, often called "green bridges" in the United Kingdom, are usually covered in ______________ of various kinds

More than ______________ species of mammals have used the overpass and underpass for 200,000 times.

The most common forms are bridges and ___________, tunnels, viaducts and culverts.

Wildlife bridges are usually covered in native vegetation. In the United Kingdom, people often call them "green bridges." The idea is to make the crossing look like_______________________, so animals will cross there.