How do wildlife know to use animal bridges and crossings

Do animals really use those bridges to cross roads and highways? And how do they work to keep people and wildlife safe?

How Do Animals Safely Cross a Highway? Take a Look. - The New York Times

Proposed wildlife crossing in Southern Oregon seeks federal funding

Wildlife Corridors 101: Everything You Need to Know - EcoWatch

Wildlife Crossings - How They Protect Individuals, Species, and Ecosystems

The home of wildlife crossings: Banff, Alberta - Yellowstone to Yukon Conservation Initiative

Wildlife crossings can save animals. But do they make sense in Indiana?

Liberty Canyon Wildlife Crossing – Santa Monica Mountains Conservancy

Wacky Wednesday Wildlife crossings - It's a good thing!

These Animal Crossings Can Reduce Wildlife Collisions