Peak migration for birds is March to May and August to October from 11 p.m. to 6 a.m. Two thirds of all songbirds migrate at night and light pollution can cause them to become confused.
Tracy Aviary encourages everyone to turn off all unnecessary lights. If this is not an option, use warm white or yellow colored light bulbs, shield your light bulbs to direct light down, and install motion sensors. If working indoors at night, close the drapes.
More info at tracyaviaryconservation.org/lightsoutsaltlake