"Disturbing roosting migratory birds at night can result in mass deaths," says Bateman. "Disturbing breeding birds can result in colony collapses. Seals and sea lions leave [affected] areas and expend energy swimming away during fireworks."

The 178th anniversary commemorating Los Angeles’ first Independence Day flag-raising on July 4, 1847, scheduled for 10-11 a.m. July 4 at Fort Moore Pioneer Memorial, 451 N. Hill St., Los Angeles, “per advice from public safety officials in light of planned political protest activity.” Email: [email protected]