Here’s one more thing to think about during your walk. The species you see (whether they are pigeons, squirrels, mice, robins, sow bugs, or others) all share the ability to coexist with humans in a...

Here’s one more thing to think about during your walk. The species you see (whether they are pigeons, squirrels, mice, robins, sow bugs, or others) all share the ability to coexist with humans in a human-created environment. What adaptations allow these species to thrive in human communities?