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

Biology activity april 1.doc - NameClass Date Monarchs in Decline

Three Out of Four Populations of Rare Butterflies Have Been Lost

Why Are Monarch Butterflies in Danger? - Soapboxie

Butterflies are in decline — and that could have dire consequences

Monarch butterflies now listed as endangered after 'devastating

Three Out of Four Populations of Rare Butterflies Have Been Lost

New Year's Count of Western Monarchs Reveals High Seasonal

Butterflies are vanishing in the western U.S.—but not for the

Monarch butterflies are now endangered, moving closer to