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They may be relocating to avoid sooty skies.

The mostly white moths stood out in the sooty environment and became easy prey for predators.

The other side of the detective’s profile has him strolling between the starched propriety of upper-class society and the sooty underbelly, doing rich men’s dirty work.

Those pollutants include particulate matter 2.5, or sooty material that is released from vehicles, industrial smokestacks and wildfires.

Now stored in sealed plastic bags, the sooty plumes will help answer questions about how chronic smoke exposure affects birds, and what exactly the animals were exposed to during L.A.’s firestorms.