Wildlife Corridors and Habitat Fragmentation

Habitat fragmentation isolates wildlife populations, increasing inbreeding, reducing genetic diversity, and causing road deaths as animals attempt to cross barriers. Wildlife corridors are a solution.

Key Facts

Roads and development fragment habitat into 600,000 patches in the UK
Road kills exceed natural predation as a mortality source for many UK mammals
Wildlife bridges and underpasses have demonstrated success in multiple studies
The South Downs National Park is working to connect fragmented chalk grassland
Genetic diversity in isolated badger populations is significantly reduced

Welfare Considerations

Habitat fragmentation causes chronic welfare harms. Animals attempting to cross roads or barriers face death or injury. Isolated populations experience inbreeding depression and reduced immune function from lack of genetic diversity. Animals unable to reach food, water, or mates during their seasonal movements experience nutritional stress and reproductive failure. Wildlife corridors - connecting habitat patches through underpasses, bridges, and hedgerow networks - restore movement and reduce road mortality with documented welfare benefits.

What You Can Do

Support local corridor creation schemes through wildlife trust volunteering
Advocate for wildlife underpasses in all new road development
Create a wildlife-friendly garden that acts as a stepping stone corridor
Support the rewilding movement which aims to create large connected habitats
Donate to organisations mapping and creating wildlife corridors