This means that for every five butterflies you might have seen in your garden two decades ago, there are now only four. The ...

Monarch butterflies are making their flight north after wintering in Mexico. Here's what to know about the fascinating, fragile traveler.

Upperside forewings are brown with yellow, brown-spotted ... on its spiny redberry host plant, common in cismontane California coastal sage scrub and chaparral vegetation communities. But for unknown ...