Wildlife corridors created to ease Animal movement

Migration for animals are getting more difficult as humans take over more and more of the planet. One way of helping these animals is to create bridges and tunnels to help them cross dangerous roads.

Many animals need to move across large distances. Often they do this as part of their natural migration. Sometimes animals need to move to a new area when food gets low or conditions get worse.

Humans have taken over huge areas of the planet with cities, towns, malls, factory areas, and farms. Roads and highways cut up the remaining natural areas into many small sections, making it dangerous for animals to move from even one small wild area to another.

Many people are working to help animals by creating “wildlife corridors” – trying to reconnect smaller natural areas so that animals can move over larger areas. One important step in creating these corridors is building wildlife bridges and tunnels to give animals a way to safely cross dangerous roads.

Here are a few examples of wildlife crossings:

A Bridge Over a Busy Highway in Utah

In 2018, Utah built a wildlife bridge over the busy highway I-80. A 3-mile (4.8 kilometer) fence was created to help guide animals to the bridge. Normally, animals take a long time to discover and begin using wildlife bridges, so experts didn’t expect the bridge to get much traffic for several years.

Animals have begun using a wildlife bridge over I-80 in Utah. In this shot, a female moose is shown crossing.
In 2018, Utah built a wildlife bridge over the busy highway I-80. A 3-mile (4.8 kilometer) fence was created to help guide animals to the bridge. Animals have begun using the bridge earlier than expected.

But recently, the state has released a video showing that many different kinds of animals are already using the bridge.

An ‘Eco-Bridge’ in Uttarakhand, India

In Uttarakhand state in India, the forest department has built a special “eco-bridge”, made from all-natural materials. The bridge is 90 feet (27.5 meters) long and runs over one of the busiest highways in the area.

Though the bridge is high in the trees, forest department workers hope the bridge will help smaller animals on the ground, too, by reminding drivers that they’re in an important natural area with lots of wildlife. Already, the bridge has gotten a lot of attention, with many people taking selfies in front of it.

A Rope Bridge to Help Endangered Gibbons in China

On China’s Hainan island in 2015, scientists created a bridge for gibbons in order to solve a problem that had nothing to do with humans. Hainan gibbons – the world’s most endangered primates – normally cross the forest by swinging high in the trees.

But after a 2014 typhoon, landslides caused huge gaps in the forest, which were forcing the gibbons to make dangerous jumps. Scientists created a simple and cheap rope bridge, which solved the problem.

Scientists created a simple and cheap rope bridge, which helped endangered Hainan gibbons cross a large gap in the jungle. Above, pictures of several different ways the gibbons used the bridge.

Now people in other countries are looking to try similar ideas. In Brazil, for example, scientists want to create bridges to help animals cross the hundreds of miles of highway that cut through the Amazon Rainforest.

 

 

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