Claim to fame: These orange-and-black butterflies are well-known for their eye-catching color and for their fascinating migrations each September. Species status: Monarch butterflies are found ...

Colony estimates at central Mexico overwintering sites indicate that monarch butterfly (Danaus plexippus) populations have declined over the past two decades. Among the leading causes of this ...

Danaus plexippus, also known as the monarch butterfly, is characterised by its orange inner wings, black outer linings and large size. The black outer lining serves the vital purpose of warning ...

The monarch butterfly (Danaus plexippus) population has plummeted by 80% to 95% since the 1990s, depending on the region and monitoring method. A major cause of the species’ decline is deforestation ...

Monarch butterflies (Danaus plexippus) use their internal clock and the sun to guide them 4,000 kilometers south on their annual fall migration from eastern North America to central Mexico. Scientists ...

During 2013 – 2014 seven monarch butterfly (Danaus plexippus) colonies (3 in Michoacán, 4 in Mexico) were registered throughout a total of 0.67 hectares. According to a monitoring carried out by ...

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