Cities are living ecosystems. Urban wildlife—from songbirds and pollinators to foxes and raccoons—thrive in pockets of green and find creative ways to use human-built features.
Encouraging biodiversity in urban areas improves air and water quality, reduces heat, and enhances resident well-being. Here are practical strategies residents and planners can use to make cities better habitats for people and wildlife.
Create layered, native plantings
Plant communities that mimic natural layers—canopy trees, understory shrubs, and herbaceous groundcovers—provide food, shelter, and nesting sites. Prioritize native species adapted to local soil and climate; they support more insects and birds than ornamental exotics. Even small spaces like balconies and pocket yards can form stepping-stones when native plants are used to create nectar and seed sources.
Reduce pesticide use and chemical runoff
Pesticides and herbicides harm pollinators and beneficial insects that form the base of urban food webs. Adopt integrated pest management practices, tolerate some leaf litter and fallen fruit, and use physical barriers or targeted treatments only when necessary.
Capture stormwater with rain gardens and permeable paving to reduce chemical runoff into streams and wetlands.
Design for movement: corridors and connectivity
Wildlife corridors—strips of vegetation along rivers, rail lines, and greenways—allow animals to move safely between habitat patches. For planners, integrating green roofs, tree-lined streets, and continuous riparian buffers strengthens citywide connectivity. For property owners, linking gardens with native plants and hedgerows helps reduce isolation of urban populations.
Minimize human-wildlife conflicts with simple measures
Many conflicts stem from attractants rather than animals.
Secure trash in wildlife-proof bins, avoid leaving pet food outdoors, and compost in enclosed systems.
For species like raccoons and foxes, remove easy den sites by sealing gaps under decks and sheds. For larger animals such as deer, use deer-resistant plantings and protective fencing where necessary.
Protect birds and bats with habitat-friendly architecture
Glass collisions and light pollution are major causes of bird mortality in cities. Apply visible markers to large panes, break up reflective glass expanses, and minimize overnight lighting during migration periods.
Bat boxes and undisturbed roost spaces support urban bat populations that consume night-flying insects. Incorporating wildlife considerations into building codes and retrofits can make a big difference.
Manage pets and traffic for safety
Keeping cats indoors greatly reduces predation on birds and small mammals. When walking dogs, use leashes and avoid areas known for nesting wildlife.
For planners, traffic-calming measures, lower speed limits in wildlife-rich neighborhoods, and protected crossings near green spaces reduce roadkill and collisions.
Engage communities through education and citizen science
Neighborhood stewardship programs, native-plant giveaways, and citizen science platforms help residents connect with local biodiversity.
Recording wildlife observations contributes valuable data for conservation planning and raises awareness about seasonal patterns and hotspots.
Small actions, widespread impact
A combination of policy, thoughtful design, and everyday choices creates urban environments where wildlife and people coexist.
Start small: replace a lawn corner with native wildflowers, secure a trash bin, or switch off overnight lights during migration. When many residents adopt wildlife-friendly practices, cities become healthier, more resilient places for all species.
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