when i was in school in san diego, a giant migrating flock of butterflies flew through one day... the entire city was engulfed in butterflies for an entire day

when i was in school in san diego, a giant migrating flock of butterflies flew through one day... the entire city was engulfed in butterflies for an entire day (not exaggerating). it was awesome, and sad at the same time as many of them died en route. here's an article... apparently it's "millions and millions" http://www.kcet.org/news/the_back_forty/wildlife/painted-lady-butterflies-migrate-through-san-diego.html http://www.kcet.org/news/the_back_forty/wildlife/painted-lad...