Like a floating exclamation point, a brushstroke on the breeze, a butterfly dances by us, eager to move onto the next bit of milkweed, or flowery front yard, or lush neighborhood. Stream Los Angeles ...

Add Yahoo as a preferred source to see more of our stories on Google. A monarch butterfly (Dannaux plexippus) flaps its wings in Piedra Herrada Sanctuary, Mexico. Might this start a chain of events ...