Little Hiccups: Ladybug Migration at Redwood Regional Park
Park It: Ladybugs converge on Oakland hills' Redwood park
Ladybug Trailhead (U.S. National Park Service)
Ladybug (U.S. National Park Service)
Bay Nature Magazine: When Thousands of Ladybugs Gather in the Park
Ladybugs, Where Do They Go?
Careers at Lady-Bug - Ladybug Services
Colorado ladybugs being used to jumpstart colonies
Ladybug Trail, Sequoia National Park
See migrating ladybugs Saturday in Oakland hills guided hike
Ask Sam: What Are All These Ladybugs Doing In My House?