You don’t need to own a backyard.

A renter’s way into bird conservation, beginning with the lights you control and the questions you can ask.

You can care deeply about birds and still have a landlord, a narrow windowsill and no place to plant a tree. Start with the decisions that are actually yours.

One building, a useful lesson

A 2021 study used two decades of records at a large Chicago building to examine fatal bird collisions. Migration intensity, illuminated window area and wind conditions were important predictors. The researchers estimated that reducing lit window area to its historical minimum could reduce mortality by about 60% at that site. That figure is specific to the building and model, not a promised result for your apartment. [1]

A realistic evening routine

Try an audit of your own space: which lights stay on after you leave a room, and which decorative lights could go off? Ask your building manager whether unnecessary lighting can be reduced during migration while maintaining required safety lighting. Frame it as a question and bring the research.

This lighting suggestion follows the study’s conservation implications. It does not mean darkened windows eliminate every collision risk, or that an apartment should be treated as equivalent to the studied building.

Conservation beyond the lease

Make a short list of spaces you already use: the library, your workplace, a neighborhood park. You could ask who maintains their planting beds or whether there is a volunteer group. You can also look for a local birding walk that suits your schedule and access needs.

Before buying anything, choose one action you can repeat. An email to a facilities manager, a question at a community meeting, or helping with a chapter event can be a starting point. These are invitations to participate, not a shopping list.

Works cited

Van Doren et al. (2021), Drivers of fatal bird collisions in an urban center, PNAS, 118(24), e2101666118. Peer-reviewed observational research and modeling; university repository abstract.

Practical prompts are editorial suggestions. The study’s estimate is not extrapolated to homes or the entire country.