Strandings of these jellyfish-like animals, sometimes called "by-the-wind sailors," usually mean spring is coming ...

The California Academy of Sciences used genetic testing to identify a blue butterfly species similar to the Xerces species that went extinct and disappeared from the San Francisco coastline.

The Smith's blue butterfly may be tiny, but it's endangered in a big way. It spends its whole life within a few hundred yards of two native plants, seacliff buckwheat and coast buckwheat — and is ...

For so many people, the classroom transformation of a caterpillar into a butterfly is one of their earliest experiences with ...

After nearly 30 years of petitions and lawsuits by the Center for Biological Diversity, the U.S. Fish and Wildlife Service today protected one of Southern California’s rarest butterflies, the Hermes ...

For instance, the blue Morpho butterfly is now being studied by researchers at the University of California San Diego in the ...

Gayle Anderson reports the Butterfly Pavilion ... including California natives like the Mourning Cloak (Nymphalis antiopa) and Painted Lady (Vanessa cardui). Exotic butterflies like the Malachite ...