Butterflies are in decline — and that could have dire consequences

Entomologist Josef H. Reichholf has been watching butterfly populations decline over the past 50 years

Three Out of Four Populations of Rare Butterflies Have Been Lost

PDF) The decline of butterflies in Europe: Problems, significance

New Year's Count of Western Monarchs Reveals High Seasonal

450 butterfly species rapidly declining due to warmer autumns in

The drought could influence where monarch butterflies hang out on

7 Most Beautiful Butterflies On Earth

Advances in understanding the long-term population decline of

Migration in danger! The disappearance of the monarch butterfly

Butterflies are in decline — and that could have dire consequences

Three Out of Four Populations of Rare Butterflies Have Been Lost

Endangered-species decision expected on beloved butterfly

Three Out of Four Populations of Rare Butterflies Have Been Lost