Oct 28, 2026 · 39 min
Urban wildlife adapts faster than cities can manage
Helping humans and wildlife coexist, with Suzanne MacDonald, PhD
The episode shows how human infrastructure can help some species thrive while putting others at risk, and why conservation works best when guided by evidence.
- 1Raccoons and crows exploit urban environments through flexible behavior, dexterity, and problem-solving skills.
- 2Roads and fragmented habitats threaten turtles, but fencing, corridors, and cameras can make movement safer.
- 3Animal enrichment and AI monitoring help conservation only when researchers measure what actually improves welfare and protection.
Don't miss
MacDonald explains how wildlife corridors can protect turtles from highways while potentially creating ambush points for raccoons.
The brief
Suzanne MacDonald explains why raccoons flourish around people: garbage, buildings, and other infrastructure reward animals that explore, manipulate objects, and adapt quickly.
Raccoons’ cleverness has limits for coexistence. Toronto’s resistant waste bins reduce access, but persistent animals still find weaknesses—and they should never be treated as pets.
Turtles face the opposite urban problem: roads divide wetlands and make movement dangerous. Fencing, wildlife corridors, and cameras can guide them under highways, though raccoons may wait there to prey.
MacDonald’s zoo research tests enrichment through food choices, quantity discrimination, music, photographs, and computers, showing why cognitive care must be measured rather than assumed.
From elephants and lions to AI monitoring and bird feeding, the broader lesson is practical: wildlife help works when local systems and evidence match the species’ needs.
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