Urban Wildlife Corridors: Connecting Fragmented Habitats

Urban wildlife corridors provide essential pathways for animal movement through cities, reducing isolation and supporting biodiversity in human-dominated landscapes.

Key Facts

Urban areas cover just 3% of Earth but fragment habitats for hundreds of millions of animals
Wildlife corridors can be as simple as riparian strips, green roofs, or connected backyard gardens
Road mortality kills over 1 million vertebrates per day in the US alone
Connectivity allows animals to find mates, food, and shelter across fragmented landscapes
Cities like Singapore, Vancouver, and Amsterdam have integrated wildlife corridors into urban planning
Underpasses and overpasses specifically designed for wildlife reduce road mortality by up to 97%

Welfare Considerations

Urban fragmentation traps individual animals in isolated patches where inbreeding, starvation, and road mortality become inevitable. Wildlife corridors address these welfare concerns by enabling movement, allowing animals to respond to seasonal resource changes and find mates. Even small corridors significantly improve outcomes: hedgehog highways (gaps in garden fences) allow small mammals to roam; vegetated stormwater channels support amphibians; pollinator corridors support bee colonies. The welfare benefits are direct and measurable: reduced road strikes, reduced starvation in isolated populations, and reduced stress from territorial crowding.

What You Can Do

Create wildlife-friendly spaces in your garden including native plants and access gaps for small mammals
Advocate for wildlife crossing infrastructure on roads near your community
Support urban planning policies that require habitat connectivity assessment
Participate in wildlife monitoring programs in urban green spaces