As Eric Carle once wrote, there was a “very hungry caterpillar.” It hatched from an egg and began its search for food. After about two weeks, it became a big, fat caterpillar — 2,000 times its ...

Changing and falling leaves are a sure sign of fall, and so are milkweed seed pods starting to dry out in preparation of being harvested. Milkweed is the only host plant of monarch butterflies, ...

Learn facts about the monarch butterfly, including how how to tell male and female monarchs apart and if monarchs are ...

A monarch butterfly lands on milkweed at Sun Valley Elementary School in San Rafael on July 29. (Sherry LaVars/Marin Independent Journal) Caterpillars eat milkweed leaves. (AP Photo/Herald Times ...