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

Climate change is altering butterfly habitats, turning their species-rich, mountain refuges into traps, finds new research by ...

Cal Academy of Sciences and The Presidio join conservation efforts to bring blue butterflies back to San Francisco coast. Genetic sequencing links Silvery blue butterflies to extinct Xerces blue.

New research shows butterfly populations have fallen dramatically ... a professor in the Department of Evolution & Ecology at the University of California Davis and one of the authors of the ...

This year’s count of 4.42 acres of occupied forest habitat is nearly twice as large as last year's, but eastern monarch ...

The authors cautioned against celebrating, as they largely credited that spike to the California tortoiseshell butterfly and did not expect that population boom to persist. Although butterflies ...

Visitors can expect to see the stages of the butterfly lifecycle, from eggs to caterpillars and chrysalises, for up to 30 ...

Monarch butterflies are making their annual journey north out of Mexico to their summer breeding grounds. See where they've been spotted in Oklahoma.

Further scrutiny of the apparent 10% increase in overall abundance in the Pacific Northwest over the 20-year study period was credited largely to the California tortoiseshell butterfly ...

Butterflies have not been faring well north ... population from those that winter in central Mexico — along the California coast, northern Baja California and inland sites in California and ...