Ornithologists at the Natural History Museum and UCLA are studying how smoke from the January wildfires will affect the ...

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.

LOS ANGELES — As thick clouds of smoke rolled across Los Angeles in early January, Allison Shultz opened a freezer and took out a stash of pristine white pigeon feathers. The ornithology curator ...

where researchers are studying bird feathers to determine the effects of wildfire smoke on birds. (Christina House/Los Angeles Times) ...